CA2181373C - High-density fiber distribution frame - Google Patents
High-density fiber distribution frame Download PDFInfo
- Publication number
- CA2181373C CA2181373C CA002181373A CA2181373A CA2181373C CA 2181373 C CA2181373 C CA 2181373C CA 002181373 A CA002181373 A CA 002181373A CA 2181373 A CA2181373 A CA 2181373A CA 2181373 C CA2181373 C CA 2181373C
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- Prior art keywords
- modules
- fixture
- travel
- line
- along
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/14—Distribution frames
- H04Q1/142—Terminal blocks for distribution frames
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4452—Distribution frames
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4452—Distribution frames
- G02B6/44526—Panels or rackmounts covering a whole width of the frame or rack
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/44528—Patch-cords; Connector arrangements in the system or in the box
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
- G02B6/4455—Cassettes characterised by the way of extraction or insertion of the cassette in the distribution frame, e.g. pivoting, sliding, rotating or gliding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/021—Constructional details using pivoting mechanisms for accessing the interior of the apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/023—Constructional details using sliding mechanisms for accessing the interior of the apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/06—Cable ducts or mountings specially adapted for exchange installations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/06—Cable ducts or mountings specially adapted for exchange installations
- H04Q1/062—Cable ducts or mountings specially adapted for exchange installations vertical management arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/06—Cable ducts or mountings specially adapted for exchange installations
- H04Q1/066—Cable ducts or mountings specially adapted for exchange installations arranged on the front side
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/06—Cable ducts or mountings specially adapted for exchange installations
- H04Q1/068—Cable ducts or mountings specially adapted for exchange installations arranged on the rear side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3897—Connectors fixed to housings, casing, frames or circuit boards
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4452—Distribution frames
- G02B6/44524—Distribution frames with frame parts or auxiliary devices mounted on the frame and collectively not covering a whole width of the frame or rack
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2201/00—Constructional details of selecting arrangements
- H04Q2201/02—Details of frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2201/00—Constructional details of selecting arrangements
- H04Q2201/80—Constructional details of selecting arrangements in specific systems
- H04Q2201/804—Constructional details of selecting arrangements in specific systems in optical transmission systems
Abstract
A fiber distribution frame includes a fixture having a plurality of modules mounted side-by-side within said fixture with each of the modules being individually mounted in a line of travel. Each of the modules can be locked in any one of a plurality of discrete positions within the line of travel. Each of the modules contains a plurality of adapters for receiving and retaining fiber optic connectors. Further, the fixture may be tilted downwardly to provide access to the rear of the fixture.
Description
,....
WO 95/20175 ., PCT/US94113138 HIGH-DENSITY FIBER.DISTRI8UTION FRAME
I. BACRGRODND OF THE INVENTION
1. FIELD OF THE INVENTION
This invention pertains to the telecommunications industry. More particularly, this invention pertains to a high-density fiber distribution frame for use in the telecommunications industry.
WO 95/20175 ., PCT/US94113138 HIGH-DENSITY FIBER.DISTRI8UTION FRAME
I. BACRGRODND OF THE INVENTION
1. FIELD OF THE INVENTION
This invention pertains to the telecommunications industry. More particularly, this invention pertains to a high-density fiber distribution frame for use in the telecommunications industry.
2. DESCRIPTION OF THE PRIOR ART
In the telecommunications industry, use of fiber optic cables for carrying transmission signals is rapidly growing. To interconnect fiber optic equipment, fiber distribution frames have been developed. An example of a prior art fiber distribution frame is shown in commonly assigned U.S. Patent No. 4,995,688.
The fiber distribution frame of U.S. Patent No. 4,995,688 includes a so-called connector module (item 16 in the '688 patent) having a front panel which carries a plurality of adapters (102). Each of the adapters (102) permits attachment of a fiber optic connector (100) to both sides of the adapter in order to optically connect two fiber optic cables.
Typically, the back side of the adapters (102) are provided with connectors secured to fiber optic cables. The cables are connected to various pieces of fiber optic equipment (such as, a fiber-to-copper convertor for converting DS-3 signals to optical signals).
The connections on the back side of the adapters are semi-permanent. Namely, while the connectors on the back side of the adapters can be easily removed, they are normally installed with the intent to maintain the connection of the connector to the rear side of the adaptor without frequent future changes to the connection. On the front side of the adaptor, the fiber optic connector is secured to a fiber cable (for example, a jumper cab-1e) for cross-connecting PCT/US94 x'13138 to other pieces of optical equipment or to any ot:zer destination.
With the increase in use of fiber optic cables in the telecommunications industry, it is desirab:Le to provide fiber distribution frames with increased density. By density, it is meant the number of locations per unit volume or unit area for providing connection on the fiber distribution frame.
In products made according to the aforementioned U.S. Patent No. 4,995,688, a typic:~l fiber distribution frame will have about 576 fiber= optic connector locations. In the industry, it is becoming desirable to substantially increase the density t:~ be in excess of 1,400 connectors per frame.
Examples of high-density fiber distribution frames include a frame marketed under the trademark of Fiber Manager by Northern Telecom and described iiz Northern Telecom Bulletin No. 91-004, Issue No. 2, May, 1991. Another example includes the High Density Interconnect System (HDIC) of AT&T as disclosed iz its Product Bulletin 2987D-DLH-7/89, Issue 2.
One problem associated with prior art high-density fiber distribution frames is that the prior art products require substantial displacement of fibers when access to the fiber connectors is required. For example, the Northern Telecom product houses the fibers and connectors in a molded plastic cassette. The cassette is shown on page 7 of the aforementioned Northern Telecom publication. The particular cassette shown has twelve connectors (paired into six connections). To access any one of the twelve connectors, the cassette must be pulled from the frame approximately three to four inches at which point the cassette drops to an access position as shown on page 6 of the aforementioned bulletin. As a result, even though only one connector may require access, a total of twelve connectors are displaced with substantial 21$1~"~3 displacement of the fiber optic cables associated with each of the twelve connectors.
Unnecessary or excessive displacement of fiber optic cables is undesirable. As fiber optic cables are displaced, they are subject to bending and other forces.
As a fiber bends, the fiber can break resulting in loss of transmission through the fiber. Since fibers carry extremely high signal rates, the breakage of a single fiber can result in a substantial loss of data or voice communications. Telecommunications industry standards generally recognize a minimum bending radius of about one and a half inches for optical fibers.
It is an object of the present invention to provide a fiber distribution frame which permits high density, ready access to fiber optic connectors and minimal displacement of fibers when access is being made to connectors.
II. SUM~FrRY OF THE I1~IVEN'TION
According to a preferred embodiment of the present invention, a cable management system is provided which includes a fixture having a plurality of modules mounted on the fixture. Each of the modules is moveable on the fixture for movement along a line of travel. A
releasable lock mechanism is provided for releasably locking each of the modules in a plurality of fixed positions along the line of travel. A plurality of mating elements is secured to each of the modules for movement therewith. The mating elements each includes means for connecting a first signal transmission cable at a rear side of the element with a second signal transmission cable at a front side of the element.
III. BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a front, top and right side perspective view of a frame according to the present WO 95/20175 ~ PCT/US94~'13138 invention;
Fig. 2 is a top, front and right side perspective view of two mounting fixtures accordi:ag to the present invention enjoined by common mounting bracket;
Fig. 3 is a top plan view of the mounti::zg fixtures of Fig. 2;
Fig. 4 is a view similar to Fig. 2 showing a right mounting fixture pivoted to a down position;
Fig. 5 is a top, front and right side perspective view of a left mounting fixture remov~:;d from a mounting bracket;
Fig. 6 is a right side elevation view o.. the mounting fixture of Fig. 5;
Fig. 7 is a front, top and right side perspective view of a cross-connect tray includin~:~
adapters;
Fig. 8 is a front, top and right side perspective view of a metallic support platform;
Fig. 9 is a front, top and right side perspective view of a left retaining wall;
Fig. 10 is a right side elevation view ~:~f the wall of Fig. 9;
Fig. 11 is an enlarged top plan view of a forward end of the wall of Fig. 9;
Fig. 12 is a front, top and right side perspective view of a intermediate retaining wall;
Fig. 13 is a right side elevation view ~:~f the wall of Fig. 12;
Fig. 14 is an enlarged top plan view of a forward end of the wall of Fig. 12;
Fig. 15 is a rear, top and left side perspective view of a right retaining wall;
Fig. 16 is a left side elevation view o:= the wall of Fig. 15;
'WO 95/20175 PCT/US94/13138 Fig. ll is a top plan view of: a forward end of the wall of Fig. 15;
Fig. 18 is a view similar to Fig. 7 showing connector modules shifted;
In the telecommunications industry, use of fiber optic cables for carrying transmission signals is rapidly growing. To interconnect fiber optic equipment, fiber distribution frames have been developed. An example of a prior art fiber distribution frame is shown in commonly assigned U.S. Patent No. 4,995,688.
The fiber distribution frame of U.S. Patent No. 4,995,688 includes a so-called connector module (item 16 in the '688 patent) having a front panel which carries a plurality of adapters (102). Each of the adapters (102) permits attachment of a fiber optic connector (100) to both sides of the adapter in order to optically connect two fiber optic cables.
Typically, the back side of the adapters (102) are provided with connectors secured to fiber optic cables. The cables are connected to various pieces of fiber optic equipment (such as, a fiber-to-copper convertor for converting DS-3 signals to optical signals).
The connections on the back side of the adapters are semi-permanent. Namely, while the connectors on the back side of the adapters can be easily removed, they are normally installed with the intent to maintain the connection of the connector to the rear side of the adaptor without frequent future changes to the connection. On the front side of the adaptor, the fiber optic connector is secured to a fiber cable (for example, a jumper cab-1e) for cross-connecting PCT/US94 x'13138 to other pieces of optical equipment or to any ot:zer destination.
With the increase in use of fiber optic cables in the telecommunications industry, it is desirab:Le to provide fiber distribution frames with increased density. By density, it is meant the number of locations per unit volume or unit area for providing connection on the fiber distribution frame.
In products made according to the aforementioned U.S. Patent No. 4,995,688, a typic:~l fiber distribution frame will have about 576 fiber= optic connector locations. In the industry, it is becoming desirable to substantially increase the density t:~ be in excess of 1,400 connectors per frame.
Examples of high-density fiber distribution frames include a frame marketed under the trademark of Fiber Manager by Northern Telecom and described iiz Northern Telecom Bulletin No. 91-004, Issue No. 2, May, 1991. Another example includes the High Density Interconnect System (HDIC) of AT&T as disclosed iz its Product Bulletin 2987D-DLH-7/89, Issue 2.
One problem associated with prior art high-density fiber distribution frames is that the prior art products require substantial displacement of fibers when access to the fiber connectors is required. For example, the Northern Telecom product houses the fibers and connectors in a molded plastic cassette. The cassette is shown on page 7 of the aforementioned Northern Telecom publication. The particular cassette shown has twelve connectors (paired into six connections). To access any one of the twelve connectors, the cassette must be pulled from the frame approximately three to four inches at which point the cassette drops to an access position as shown on page 6 of the aforementioned bulletin. As a result, even though only one connector may require access, a total of twelve connectors are displaced with substantial 21$1~"~3 displacement of the fiber optic cables associated with each of the twelve connectors.
Unnecessary or excessive displacement of fiber optic cables is undesirable. As fiber optic cables are displaced, they are subject to bending and other forces.
As a fiber bends, the fiber can break resulting in loss of transmission through the fiber. Since fibers carry extremely high signal rates, the breakage of a single fiber can result in a substantial loss of data or voice communications. Telecommunications industry standards generally recognize a minimum bending radius of about one and a half inches for optical fibers.
It is an object of the present invention to provide a fiber distribution frame which permits high density, ready access to fiber optic connectors and minimal displacement of fibers when access is being made to connectors.
II. SUM~FrRY OF THE I1~IVEN'TION
According to a preferred embodiment of the present invention, a cable management system is provided which includes a fixture having a plurality of modules mounted on the fixture. Each of the modules is moveable on the fixture for movement along a line of travel. A
releasable lock mechanism is provided for releasably locking each of the modules in a plurality of fixed positions along the line of travel. A plurality of mating elements is secured to each of the modules for movement therewith. The mating elements each includes means for connecting a first signal transmission cable at a rear side of the element with a second signal transmission cable at a front side of the element.
III. BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a front, top and right side perspective view of a frame according to the present WO 95/20175 ~ PCT/US94~'13138 invention;
Fig. 2 is a top, front and right side perspective view of two mounting fixtures accordi:ag to the present invention enjoined by common mounting bracket;
Fig. 3 is a top plan view of the mounti::zg fixtures of Fig. 2;
Fig. 4 is a view similar to Fig. 2 showing a right mounting fixture pivoted to a down position;
Fig. 5 is a top, front and right side perspective view of a left mounting fixture remov~:;d from a mounting bracket;
Fig. 6 is a right side elevation view o.. the mounting fixture of Fig. 5;
Fig. 7 is a front, top and right side perspective view of a cross-connect tray includin~:~
adapters;
Fig. 8 is a front, top and right side perspective view of a metallic support platform;
Fig. 9 is a front, top and right side perspective view of a left retaining wall;
Fig. 10 is a right side elevation view ~:~f the wall of Fig. 9;
Fig. 11 is an enlarged top plan view of a forward end of the wall of Fig. 9;
Fig. 12 is a front, top and right side perspective view of a intermediate retaining wall;
Fig. 13 is a right side elevation view ~:~f the wall of Fig. 12;
Fig. 14 is an enlarged top plan view of a forward end of the wall of Fig. 12;
Fig. 15 is a rear, top and left side perspective view of a right retaining wall;
Fig. 16 is a left side elevation view o:= the wall of Fig. 15;
'WO 95/20175 PCT/US94/13138 Fig. ll is a top plan view of: a forward end of the wall of Fig. 15;
Fig. 18 is a view similar to Fig. 7 showing connector modules shifted;
5 Fig. 19 is a front, top and right side perspective view of four mounting fixtures mounted in a frame with an upper right side fixture pivoted to a down position;
Fig. 20 is a side right elevation view of the view of Fig. 19;
Fig. 21. is a front, top and right side perspective view of a connector module according to the present invention;
Fig. 22 is a front elevation view of the connector module of Fig. 21;
Fig. 23 is a view taken alone lines 23-23 of Fig. 22;
Fig. 24 is a view taken alone lines 24-24 of Fig. 22;
Fig. 25 is a front, top arid right side perspective view of a fixture according to trAe present invention and connected to fiber optic cables and;
Fig. 26 is a top plan view of the fixture of Fig. 25.
IV. DESCRIPTION OF THE PREFERRED EMBODIMENT
With reference now to the several drawing figures in which identical elements are numbered identically throughout, a description of the preferred embodiment of the invention will now be provided.
With initial reference to Fig. 1, a fiber distribution frame 10 is shown. The frame 10 includes spaced-apart side walls 12,14 connected at their upper ends by a top wall i6. Connected to t:~e forward side of the top wall 16 :Ls a trough 18 for carrying cables and the like as is conventional. The bottom of t:he frame 10 is provided with a pedestal 20 which also ha:~ secured to lvC~ . VO~.: EI~.~-X11 E~;CEiEV 0:~ . J-- 8-~5 : ~'~? : ~'~' F' 1 3 r 1 :~"
l~~- +-l ~d 8~ '?:39~j44F3.~
_~ ~ r ~18~.3'~3 it a trough 22 for carrying cs.b=es and ::he li'.te, The Lcrwar3 edges oL the side wal~.s 1N, 1. ~ 2ra p~rcvided with a p?urality of clwps 24 for hold_ng fiber optic cah=es . axtendirg vArtica:.'~ ~~ ir. z=or~t o~ ~~de walls :.~, ~4 .
COPt3? I!E:~ W1 C_~_~xy ~r~Ple .~ L~~i.rie°,r S~.d° W~~ .S
_2, 14 are a plural~Cr' of lift and zicht roC~~r.t~nQ
_~ xtures 25, 26 (sc':ze.~.atically shc~N-: in = ig. ~' , . _.
detailed dascY.pt~o:: cf mourt_ng fixtu:-;:s 20, 2o' ; s ~=ov_C,GG °_:,'?ein'L'_ere lri t'YI'~S SC~C'_LJ.::a~l0r_. 'The L1.X~L!ie5 IlJ ~~ r, r.o ,rip ~ _-, i o~r"~ ~ C
., , 2 ~ a r:.o~_ ~~.~ c. _~: be aI '..gn ~ r. =wo . o'_u;nr_s c f ten iXtu=es cer cc:.u.-2n -with t'~a two c~?u:~T~: .... horizozlta~' a~lign.~.;en~.. T= ;ai=_~. he acpreci3teY =hat the sp °ci =~_ nu;r.;~cr cz fix=ures 2o,~F' «rd t'~-~eir alic;nnent is show-f~r t=:e pu=~cses of i'l::strat=~g a p:ef=_arred emodi;~ent .S and a different ;.ur~~er :.nd ali g-~,..ent of zixtur=_s can be p ro~~ided with;.n a _rarn° I~.
L~X:::Ir2~ .GC,26~ ~'!'e ~!_L:3::;ated 1:: t-''1,~. 2 wit the -:.xtures 26, 26' pared i n a ccmnor. mourt_nJ
..~.rB.C~C2t GL~. 'Tlle 1'"'CL'11t1nQ 1.~r3C.t'.c''t %S lTe:._.'~.'."J.eS
~~rS4 2.nd 2~ second .;:cun tiwg plates ~C,32 °cr actac~n~e~:t tc walls 1G, ld regL7~Ct_VA~ y. F? r8t ~7.X~3d D'._3:.ec ;;4, ~c aw°
S~cureCW'.C eaC.~'? OL mOUr:~~I:C' ~J_at°3 3U,3~:~
~°j~~C=lVel,lr with ~:Ze _-xed plates 3-,36 d:.sposad '~ 5ar.3'~lel, sFaced-apa=t al_ar..~ent and. cor_recta~, by a pi;rct rod ;6.
23 Second 'i ed pJ.ates 4Q.d2 icsst sown _r. P:.g. 4) are a?so fixedly secured to t'~.e pivot roc 3EI with plates X0,42 disposed intermediate bet;~een p_a::es 3,36 and par3Lle1 t~:er4tc . ?? ate i ~ opposes p=.a::e 3~. and plate 42 opposes glare a=.
A left f fixture 20 1S Sel7drate].y B~'lOwT: iZl i ? C~' .
5. ~xcapt as will be speciz:.cally disc::ssed, =i.xtures 26 , 26' ax's ident.ea'_ a-id a descrig tion oT cr_e will _ suffi:.ce as a description cf th° otre=, ~lemer.=s of zix=ure 26' correspcnd_ng -o ele-nents o'_: fixrure z6 are 35 identica=ly numbered w-_th the additio:~ of aT apostropr~e ~ distinguish the f~x_-wres.
AMEiVDED SHEET
RCV. \''Q~::EI'P,-V1LF~:CHE..'. 05 , 9- f'.-9:; : '3'_'''?'~ : E;l'...' '171 ~''lt _» +~.9 89 '?399~6-kF~.-r'S:it -' ~ J; i J
zlsi~73 T~ze f~.xtuTe 26 irciudes a c~etaiiic sup,por=
pl atf;~~'~". 44 and a piastT c r;cl dad cross-cr~nrect tray 46 .
~'he support pla~=or-~. 44 is separately s'.~.~.a~vr_ in ~'ig. 8 a::c includes paralie_ Side waiia 45,49 s~~aced ~~part by a - f'_oc= = orticn =~ . ; loading edge of the '? ccr por=i,_,n d7 _5 iJ_OVidAC Wi=h Data! _'_A_ ~.=L:.t-OUC,J ~~ t,:r ~°°~n~ cl _':.ura-iry cf support f-T_gers S3.
The crGSS-~o~~ act gray 4~ is s(rparately a:.ow:~z _.. Figs. ? a.~.d 13. . a cr:.ss-conr_ect tr:3y 4o i_nclud?s a "_C flat base 48 ~;'x~i:r is secured .o zlocr ji or p=~tfc ,, 4i . int=icat='~y ;no~~!ed :~'_t'-_ base ~3 at a r:°ar edge r ~:'1''Li2.~..~ ar° Cl=- S ~'v q~ 7°~ tC bil3'7 L~ t :rn tG
visTCt rCl~ .JC
pern_~-_ng ,:lip 5~ ,:ard :~,e:~ce cross-ccn::°ct tray a~? to rctate cr pi-~ct about the =_xis ~;~-X i=. F_a. ~;~ of = e.
i5 p'_~fot rcd 3:. :v'ot rcd 3~ S.nd axis ~-X are zorvzo-,.;1 when t:e :~Ot~r:ting ~?:~LUr° 2d iS secured ~ithi=: t.~!e _t-a-~e ',.. 0 .
~he upper surface cf t~e base 48 _s ar:,v~.ded with a p:.~:rality cf ~r:.~.ngul ar-s~_ared walls -ncl,~d:.:~g a 2Q left :~a=~' ~2a, a ri~~:t ;~a11 ,2b an~. a plurality of interr:Ed,:are wa'_ls Sic, The wails Sza-54c a=a r_'!T.ber°_ a_nd srow-n asaemb'_°d ~n Fig . ~6 and. are 5c~~. separates-y in =;.CS. 'x-1.7.
wall :.s mounted. cn eac:~_ support Ping°r SS .
25 T a plurality of ~.'a_is SZa-Sec are vertices 1 :; hen base :~~
is hcriaor.ta? and =ach e:~cCends genera=ly perpend'_cular to the of vot axis X-X cf :.~ ips 5v wit'_~_ the :~a~.ls :,2a-52c cisposed in spat-~-apart, ar 311e. al gr_~ent .
ACCG=C:. ngly, C:7oCSl_1~ 3uridC9S' Oi ~aC_1 C~ C:'7.~ W311S ~GS-30 52c Ge'ine a plur~:lit;t o' d_screce chanr.Els S-=. (F'~.g ? 8) . Also, opposi:~_g surfaces o= eac:~ of the wa:.is ~Za-~~c gave 'ormed t:~ereir. parallel spaced-spar= croaves 5s _ whirr: extend perpend;cular to t.:~!e base 48.
D=SFOSad W'T_thir. each cf the c:~.antlel s 54 is a 35 :rodulp 58. ~.s best shown in F:.gs. ~-24, each of :nodul.es SS is a generally box-like corstruct:.on i:.c.uding aide walls ~0, 62 . ~,ach cf 9id.e wal is 60, 6 2 :.s AMENDED SHEET
W095/20175 ~ ~ 813' 3 PCT/US94/13138 provided with a projecting rail 64 sized to be sideably received within grooves 56. According7_y, rails 62,64 are received within grooves 56 to permit individual movement of each of the modules 58 relative to the platform 48 only in a direction of travel A (Fig. 18) which is perpendicular to the pivot axis X-X of the clips 50. The direction of travel A is vertical when base 48 is horizc>ntal.
The rails 64 have beveled edges which taper inwardly toward the side walls 60,62. The groove 56 are complementary shaped. Accordingly, whE:n rails 64 are received within the grooves 56, the rails can only move in the direction of the grooves 56. This structure provides lateral support to the walls 52a-52c.
The modules 58 further include top and bottom walls 66,68 which are provided with a releasable lock mechanism 70 for independently locking each of the modules 58 in any one of a plurality of: fixed positions along the line of: travel A. The lock mechanisms 70 include tabs 74 secured to the walls 6E>,68 by hinge members 76. It will be appreciated that each. of modules 58 is formed from an injection-molded plastic. The hinge member 76 is provided with a narrowed mid-point 78 (Fig. 23) to permit the material of the' hinge member 76 to rotate about t:he mid-point 78 when an operator grasps the tab 74 and urges it toward the walls 66,68. The tabs 74 are also provided with a .rear edge 80 (Fig. 23) which projects rE:aredly from the hinge member's 76.
Further, a stop 75 is provided on each of walls 66,68 to limit the stroke of tabs 74 to prevent breakage of narrowed mid-point 78.
The lo<:k mechanisms 70 are sized such that the rear edges 80 oppose and abut the top and bottom edges 82 of the wall members 52a-52c when the modules 58 are in a first or neutral position as shown in Fi.g. 7. In this position, the lock members 74 are shown biased to a lock position wit=h the rear edges 80 opposing and abutting the top and bottom edges 82 to prevent movement of the modules 58 along the line of travel A.
By pressing on the tabs 74 and urging them toward the top and bottom walls 56,68. The lock mechanisms 70 are moved from their locked position to an unlocked position with the rear edges 80 clear of the top and bottom edges 82. So cleared, the modules 58 may be individually moved either up or down (i.e., in the direction of the line of travel A as shown in Fig. 18).
to Centrally positioned between the top and bottom edges 82 on each of walls 52a-52c are grooves 84,85. When either of the lock mechanisms 70 is in the region of the groove 84,85, an operator may release the lock mechanism 70 such that its natural bias causes the edge 80 to be received within the grooves 84,85. Accordingly, each of the modules 58 may be locked in an up position (with edge 80 of the lower lock mechanism 70 received within lower groove 85) or in a down position (with edge 80 of the upper lock mechanism 70 received within upper groove 84) .
Each of modules 58 has a hollow construction which in a preferred embodiment is sized to receive six fiber optic connector adapters disposed in an abutting linear array. In the preferred embodiment shown, the specific adapters 90 are well-known and so-called SC
adapters for receiving and retaining SC connectors at opposite ends of each of the adapters 90 such that each adaptor 90 joins and optically couples two fiber optic connectors.
It will be appreciated that SC adapters form no part of this invention per se. Such adapters are commercially available, well-known items. An example of such an adaptor is shown in commonly-assigned and issued U.S. Patent No. 5,317,663.
Also, it will be appreciated that while SC adapters 90 are shown in use in a preferred embodiment, different types of adapters for different v ~ v v ' . 'J- ti-9:~ : '-''~ ' ' : Ep 1 :3 r 1 ~'? lE~- +~1 J fib '?~l'J:~k-lG:a : ;i 11 iZCV. ~ 0 ; : EI A 'll. E .CNE. ; Uo -., :., , _~, ~ .~.~ ,. .~. , ~1$L373 types oz f=be; optic cc~nectors ( fc.~r =xarrp? e, FC, D4 0::
c'her ~conne,ctcro; cc::~c ~.lso ~e u'il_zec: in the ~ndd~.ies 58 with': inter~ai crec~etYy cf the ~:U~ul.es 58 s~.mp! y ~.03i fiEC to ~CCOt~.T,l:,C.dtt.' ~.~ro'-Cn~ :.".~~Z_':.al ,C-.~E~,~_,('.lct'.."'y C
n:_-~~YC''.T':L C~rnPCt47L' 3~a,.~.t~.°=S.
GT:. tn r2f 2W..°_:C~ r:OW f:7~CS tC Y iQ'S . G anJ. S , °~
Ch a r _C
C. ~h C 0~9 OIInE:C t;'_'.~Ya d~ i5 E't'CLtrEC. (t~':~O'.iCt'1 .CCO:tS
Cr t::e :.ik2) _., t he sugpcrt Fl.a~farr~.8 4~ _ Si4ewa11s 45, 9 of lef' _~xtur=' ~v ara a~zed tc cJ.osel;r fa:e wa ~ i s i2 , 3C . J1d° CW ~ _.~ ~7 ~ icJ' ''rSf ='lg;I~ a.~X:li~P 2.~.' f a?"2 $:.Z'?C
t,'S C1.082~ Y '~C° wails .~~~~., ~~7 . l::° S;t~.~ i~S~ ~b G5 =~ Car' - r _ sprir_a-yoadea lcc<:ing t~~s ~~3 which _ar_ be ~,? led :.. al3yC~ ~I t;.7 r°~x'aC.~, 3 ~ C'.~C.~ p_r .''.~2 ~''1Q. ~; . ~DCTl r;nJ.ease c= th= a , t L1S y~~,,, =~:a t3~.'5 . '? ~rt3 3D~1.;.'"C-~'_3scr tc permit lcci;ing pi ns i02 to prctruce beor_d t:~t exte~ior o. the ai.da wa~i~ ~5 4°. ~a ~- posir_g sun faces c' _ h= plates 34, ~C, 42 an~3c are p=av~,ded ai=~1 deter-a ~F'1 ~ . ~ y sl;.F'C t~v L'2C~LV,g the pi.'_5 _Q ~ SL:C~h t:~_c''.~
Su~pCr= plati.~.~IL: ~d 3:'ld c'lLL~Ch2Ci CrOSs-Cnr~'leCC tr3YlS Go ZO :nav be -_otated a'oaut pivot xod 3B to any cr~e o= a g_u=ality of ;Mated pcsi.tion- and L_xed in p~ ace '.n t:~e, iRX~d ~~~.3i.t i.~,T':. F'' C. ~ S hC4Y;s a WO ::lt~.ilC f iXL
ure 2 ~ -n rorizc~~ta? pca:.t_r~n a d a second mcu nt:.:~.g f ixt~ure z6' sotatec' about pi.voL rod 38 to a dowy. poai t:.on.
z= The for~,aYd ed~2 cf eac'~ cf the supgc~r_ p'_atforms ~4 is provided wit:~ e:cter~.s~.on s-de walls 100, 102 wh =cr~ extErd frog, the side pates a5, ~. 'she exter_s? an walls 1G C , i02 extend forwardlrr beyond tha frorLt 3i do ef the adapt'rs SO icy a distar_ce su_fiG:.~'::C
t0 De'~'TTl~t CaT: n'vCtorS t:~.~ J"..~ iII3°~ ~.ed WltfFin tLlw° adal7tW5 9C as wil= become appar°..~.t .
The extension wal~.s 100,02 are joinec by a _ 'onward wall ~0~. ~xtendng upwardly Eror~ fcr~~ard wai-_ lOQ is a desi~'racion p=ata .06 which prov:.des ~a flat ?5 S1_:r=aC2 Qe!18r31='~ ~ ~.=aZl~i to rhE' piaT=e C~ ChH _°rOnt ends of ~he adapters °0. she rat surface or the desig'xiation plate ' 06 rro-~=des a surface on which a Al~l~il~W J~EET
designation strip can be attached to permit an operator to place identifying information or the like. The plate 106 also protects the adaptors 90 and attached connectors and fibers from physical damage.
Secured to the forward wall 104 and spaced between the designation plate 106 and the adapters 90 are a plurality of arcuate fanning clips 108. For the left side fixtures 26, the fanning clips 108 are arced to direct fibers from the adapters to the left side of the frame. For the right side fixture 26', the fanning clips 108 are oriented to direct fibers from the adapters 90 to the right side of the fxame. Further, each of the fixtures 26 is provided with a radius plate 110 with an attached fanning clip 112. The plate 110 permits fibers to be draped downwardly through clip 112 with the radius 110 limiting the bending of the fibers to prevent excess bending.
Connected to the fixture 26 on the rear side thereof may be provided any one of a plurality of different styles of cable management fixtures 120. The cable management fixtures 120 shown in Fig. 4 includes a plurality of fanning clips for cable management as well as takeup spools for taking up excess amounts of cable.
It will also be appreciated that the rear area of the fixtures 26 can be provided with a variety of different cable management devices including splice trays or the like.
With reference now to Figs. 25-26, the reader will note use of the fixture 26 in use for organizing and cross connecting a plurality of optical fibers.
Equipment fibers 130 enter the rear of the fixture 26 with excess fiber lengths wrapped around the cable management device 120. The equipment fibers 130 may originate from any one of a plurality of different types of fiber optic equipment such as fiber-~to-copper convertors. Each of the fibers 130 is terminated at an SC connector 132. The connector l32 is received within WO 95/20175 PCT/US94ni3138 the back end of adapters 90. Cross-connect fiber cables (frequently referred to as jumpers) 140 are passe~:~
through clip 112 and individually fanned by fanning clips 108 toward adapters 90. Each of the fibers 140 terminates at an SC connector 142 which is each received within the forward end of an adaptor 90 such that each one of connectors 132 is individually connected t~:~ a singular one of a plurality of connectors 142.
From time to time, it is desirable to rc:~place or move the cross-connect cables 140. If the cab:l_es or connectors of the top three adaptors of a given mc:~dule 58 are desired to be accessed, the operator grasp;: the locking tabs 74 and moves the module upwardly to i::he position of the raised module 58 shown in Fig. 25. In this position, each of the top three of the conne<aors 142 of the module is readily accessible without interference from the designation strip 106. If t::he bottom three of the connectors 142 of the same moc:~ule 58 are to be accessed, the operator simply engages tine tabs 74 and moves the connector downwardly until the tc:~p tab 74 is received within the groove 84 to lock the mc:~dule 58 in the down position. In the down position, tle bottom three of the connectors 142 is accessible ~:~eneath the designation strip 106 without interference fr<:~m the designation strip 106. When no connectors are to be accessed, the module 58 is placed in its neutral position with all of the connectors 142 protected from impact or other interference by means of the desic:~nation strip 106 and the forward wall 104.
The reader will note that in order to obtain access to any one of the connectors 142 in a modu:l_e 58, the module 58 is only moved a very small distance.
Also, only six adaptors 90 are moved at a time. 'i'he very small movement associated with accessing each of the connectors results in a minimal probability o:::
damage to any one of the fiber optic cables.
The benefits of the present invention include limited displacement of the fibers. In the prior art, when a tray containing several connectors is moved, the fibers are displaced axially by a substantial amount (ea., about 3 inches). In the present invention, as a module 58 is moved up or down (about 1.5 inches) the fiber experiences very little axial movement with most of the movement accommodated by a lifting or lowering movement of the fiber transverse to the fiber's axis.
While the back connectors 132 are semi-permanently installed, it is desirable, from time to time, to be able to have access to the connectors 132 (particularly when the connectors 132 are initially installed). However, if access to back. connectors 132 is desired, they may be accessed the same as the front connectors 142 (i.e., by raising or lowering modules 58) .
In certain installations, only the front of frame 10 is accessible to an operator. In such installations, access to the cable management device 120 is obtained through the tilt feature of the fixture 26.
Namely, to obtain access to the cable management device 120 from the front of frame 10, the tabs 103 are pulled inwardly to retract lock pins 102. With the pins 102 retracted, the entire fixture 26 rotates about the pivot rod 38 to a down position as shown by fixture 26' in Fig. 4. In the down position, the cable management device 120 is readily accessible to an operator facing the front of the frame 10.
Other modifications of the invention may be apparent to one skilled in the art. For example, in the preferred embodiment illustrated, a module 58 with all six adaptors 90 is moved up or down from the neutral position. Alternatively, the module 58 could be split in half with the top half moved up to access the top three connectors and with the bottom half independently moved down to access the bottom three adaptors.
WO 95/20175 PCT/US9~l.Ii3138 Also, as an alternative, the modules 58 can be provided with additional functions. In the preferred embodiment illustrated, the modules 58 retain only adaptors 90. However, modules 58 can include pro:3ucts other than adaptors 90. For example, modules 58 nay house optical splatters, WDM's (wave division multiplexers) or other equipment. While adaptors 90 may be used with such enhancements, adaptors 90 may n~:~t be necessary (era. , such enhanced modules may be pro~;rided with fiber pigtails).
From the foregoing detailed description of the present invention, it has been shown how the obje~;ts of the invention have been attained in a preferred m,~nner.
However, modifications and equivalents of the dis~::losed concepts, such as those which readily occur to on~:~
skilled in the art, are intended to be included w:~,_thin the scope of the claims which are appended hereto.
Fig. 20 is a side right elevation view of the view of Fig. 19;
Fig. 21. is a front, top and right side perspective view of a connector module according to the present invention;
Fig. 22 is a front elevation view of the connector module of Fig. 21;
Fig. 23 is a view taken alone lines 23-23 of Fig. 22;
Fig. 24 is a view taken alone lines 24-24 of Fig. 22;
Fig. 25 is a front, top arid right side perspective view of a fixture according to trAe present invention and connected to fiber optic cables and;
Fig. 26 is a top plan view of the fixture of Fig. 25.
IV. DESCRIPTION OF THE PREFERRED EMBODIMENT
With reference now to the several drawing figures in which identical elements are numbered identically throughout, a description of the preferred embodiment of the invention will now be provided.
With initial reference to Fig. 1, a fiber distribution frame 10 is shown. The frame 10 includes spaced-apart side walls 12,14 connected at their upper ends by a top wall i6. Connected to t:~e forward side of the top wall 16 :Ls a trough 18 for carrying cables and the like as is conventional. The bottom of t:he frame 10 is provided with a pedestal 20 which also ha:~ secured to lvC~ . VO~.: EI~.~-X11 E~;CEiEV 0:~ . J-- 8-~5 : ~'~? : ~'~' F' 1 3 r 1 :~"
l~~- +-l ~d 8~ '?:39~j44F3.~
_~ ~ r ~18~.3'~3 it a trough 22 for carrying cs.b=es and ::he li'.te, The Lcrwar3 edges oL the side wal~.s 1N, 1. ~ 2ra p~rcvided with a p?urality of clwps 24 for hold_ng fiber optic cah=es . axtendirg vArtica:.'~ ~~ ir. z=or~t o~ ~~de walls :.~, ~4 .
COPt3? I!E:~ W1 C_~_~xy ~r~Ple .~ L~~i.rie°,r S~.d° W~~ .S
_2, 14 are a plural~Cr' of lift and zicht roC~~r.t~nQ
_~ xtures 25, 26 (sc':ze.~.atically shc~N-: in = ig. ~' , . _.
detailed dascY.pt~o:: cf mourt_ng fixtu:-;:s 20, 2o' ; s ~=ov_C,GG °_:,'?ein'L'_ere lri t'YI'~S SC~C'_LJ.::a~l0r_. 'The L1.X~L!ie5 IlJ ~~ r, r.o ,rip ~ _-, i o~r"~ ~ C
., , 2 ~ a r:.o~_ ~~.~ c. _~: be aI '..gn ~ r. =wo . o'_u;nr_s c f ten iXtu=es cer cc:.u.-2n -with t'~a two c~?u:~T~: .... horizozlta~' a~lign.~.;en~.. T= ;ai=_~. he acpreci3teY =hat the sp °ci =~_ nu;r.;~cr cz fix=ures 2o,~F' «rd t'~-~eir alic;nnent is show-f~r t=:e pu=~cses of i'l::strat=~g a p:ef=_arred emodi;~ent .S and a different ;.ur~~er :.nd ali g-~,..ent of zixtur=_s can be p ro~~ided with;.n a _rarn° I~.
L~X:::Ir2~ .GC,26~ ~'!'e ~!_L:3::;ated 1:: t-''1,~. 2 wit the -:.xtures 26, 26' pared i n a ccmnor. mourt_nJ
..~.rB.C~C2t GL~. 'Tlle 1'"'CL'11t1nQ 1.~r3C.t'.c''t %S lTe:._.'~.'."J.eS
~~rS4 2.nd 2~ second .;:cun tiwg plates ~C,32 °cr actac~n~e~:t tc walls 1G, ld regL7~Ct_VA~ y. F? r8t ~7.X~3d D'._3:.ec ;;4, ~c aw°
S~cureCW'.C eaC.~'? OL mOUr:~~I:C' ~J_at°3 3U,3~:~
~°j~~C=lVel,lr with ~:Ze _-xed plates 3-,36 d:.sposad '~ 5ar.3'~lel, sFaced-apa=t al_ar..~ent and. cor_recta~, by a pi;rct rod ;6.
23 Second 'i ed pJ.ates 4Q.d2 icsst sown _r. P:.g. 4) are a?so fixedly secured to t'~.e pivot roc 3EI with plates X0,42 disposed intermediate bet;~een p_a::es 3,36 and par3Lle1 t~:er4tc . ?? ate i ~ opposes p=.a::e 3~. and plate 42 opposes glare a=.
A left f fixture 20 1S Sel7drate].y B~'lOwT: iZl i ? C~' .
5. ~xcapt as will be speciz:.cally disc::ssed, =i.xtures 26 , 26' ax's ident.ea'_ a-id a descrig tion oT cr_e will _ suffi:.ce as a description cf th° otre=, ~lemer.=s of zix=ure 26' correspcnd_ng -o ele-nents o'_: fixrure z6 are 35 identica=ly numbered w-_th the additio:~ of aT apostropr~e ~ distinguish the f~x_-wres.
AMEiVDED SHEET
RCV. \''Q~::EI'P,-V1LF~:CHE..'. 05 , 9- f'.-9:; : '3'_'''?'~ : E;l'...' '171 ~''lt _» +~.9 89 '?399~6-kF~.-r'S:it -' ~ J; i J
zlsi~73 T~ze f~.xtuTe 26 irciudes a c~etaiiic sup,por=
pl atf;~~'~". 44 and a piastT c r;cl dad cross-cr~nrect tray 46 .
~'he support pla~=or-~. 44 is separately s'.~.~.a~vr_ in ~'ig. 8 a::c includes paralie_ Side waiia 45,49 s~~aced ~~part by a - f'_oc= = orticn =~ . ; loading edge of the '? ccr por=i,_,n d7 _5 iJ_OVidAC Wi=h Data! _'_A_ ~.=L:.t-OUC,J ~~ t,:r ~°°~n~ cl _':.ura-iry cf support f-T_gers S3.
The crGSS-~o~~ act gray 4~ is s(rparately a:.ow:~z _.. Figs. ? a.~.d 13. . a cr:.ss-conr_ect tr:3y 4o i_nclud?s a "_C flat base 48 ~;'x~i:r is secured .o zlocr ji or p=~tfc ,, 4i . int=icat='~y ;no~~!ed :~'_t'-_ base ~3 at a r:°ar edge r ~:'1''Li2.~..~ ar° Cl=- S ~'v q~ 7°~ tC bil3'7 L~ t :rn tG
visTCt rCl~ .JC
pern_~-_ng ,:lip 5~ ,:ard :~,e:~ce cross-ccn::°ct tray a~? to rctate cr pi-~ct about the =_xis ~;~-X i=. F_a. ~;~ of = e.
i5 p'_~fot rcd 3:. :v'ot rcd 3~ S.nd axis ~-X are zorvzo-,.;1 when t:e :~Ot~r:ting ~?:~LUr° 2d iS secured ~ithi=: t.~!e _t-a-~e ',.. 0 .
~he upper surface cf t~e base 48 _s ar:,v~.ded with a p:.~:rality cf ~r:.~.ngul ar-s~_ared walls -ncl,~d:.:~g a 2Q left :~a=~' ~2a, a ri~~:t ;~a11 ,2b an~. a plurality of interr:Ed,:are wa'_ls Sic, The wails Sza-54c a=a r_'!T.ber°_ a_nd srow-n asaemb'_°d ~n Fig . ~6 and. are 5c~~. separates-y in =;.CS. 'x-1.7.
wall :.s mounted. cn eac:~_ support Ping°r SS .
25 T a plurality of ~.'a_is SZa-Sec are vertices 1 :; hen base :~~
is hcriaor.ta? and =ach e:~cCends genera=ly perpend'_cular to the of vot axis X-X cf :.~ ips 5v wit'_~_ the :~a~.ls :,2a-52c cisposed in spat-~-apart, ar 311e. al gr_~ent .
ACCG=C:. ngly, C:7oCSl_1~ 3uridC9S' Oi ~aC_1 C~ C:'7.~ W311S ~GS-30 52c Ge'ine a plur~:lit;t o' d_screce chanr.Els S-=. (F'~.g ? 8) . Also, opposi:~_g surfaces o= eac:~ of the wa:.is ~Za-~~c gave 'ormed t:~ereir. parallel spaced-spar= croaves 5s _ whirr: extend perpend;cular to t.:~!e base 48.
D=SFOSad W'T_thir. each cf the c:~.antlel s 54 is a 35 :rodulp 58. ~.s best shown in F:.gs. ~-24, each of :nodul.es SS is a generally box-like corstruct:.on i:.c.uding aide walls ~0, 62 . ~,ach cf 9id.e wal is 60, 6 2 :.s AMENDED SHEET
W095/20175 ~ ~ 813' 3 PCT/US94/13138 provided with a projecting rail 64 sized to be sideably received within grooves 56. According7_y, rails 62,64 are received within grooves 56 to permit individual movement of each of the modules 58 relative to the platform 48 only in a direction of travel A (Fig. 18) which is perpendicular to the pivot axis X-X of the clips 50. The direction of travel A is vertical when base 48 is horizc>ntal.
The rails 64 have beveled edges which taper inwardly toward the side walls 60,62. The groove 56 are complementary shaped. Accordingly, whE:n rails 64 are received within the grooves 56, the rails can only move in the direction of the grooves 56. This structure provides lateral support to the walls 52a-52c.
The modules 58 further include top and bottom walls 66,68 which are provided with a releasable lock mechanism 70 for independently locking each of the modules 58 in any one of a plurality of: fixed positions along the line of: travel A. The lock mechanisms 70 include tabs 74 secured to the walls 6E>,68 by hinge members 76. It will be appreciated that each. of modules 58 is formed from an injection-molded plastic. The hinge member 76 is provided with a narrowed mid-point 78 (Fig. 23) to permit the material of the' hinge member 76 to rotate about t:he mid-point 78 when an operator grasps the tab 74 and urges it toward the walls 66,68. The tabs 74 are also provided with a .rear edge 80 (Fig. 23) which projects rE:aredly from the hinge member's 76.
Further, a stop 75 is provided on each of walls 66,68 to limit the stroke of tabs 74 to prevent breakage of narrowed mid-point 78.
The lo<:k mechanisms 70 are sized such that the rear edges 80 oppose and abut the top and bottom edges 82 of the wall members 52a-52c when the modules 58 are in a first or neutral position as shown in Fi.g. 7. In this position, the lock members 74 are shown biased to a lock position wit=h the rear edges 80 opposing and abutting the top and bottom edges 82 to prevent movement of the modules 58 along the line of travel A.
By pressing on the tabs 74 and urging them toward the top and bottom walls 56,68. The lock mechanisms 70 are moved from their locked position to an unlocked position with the rear edges 80 clear of the top and bottom edges 82. So cleared, the modules 58 may be individually moved either up or down (i.e., in the direction of the line of travel A as shown in Fig. 18).
to Centrally positioned between the top and bottom edges 82 on each of walls 52a-52c are grooves 84,85. When either of the lock mechanisms 70 is in the region of the groove 84,85, an operator may release the lock mechanism 70 such that its natural bias causes the edge 80 to be received within the grooves 84,85. Accordingly, each of the modules 58 may be locked in an up position (with edge 80 of the lower lock mechanism 70 received within lower groove 85) or in a down position (with edge 80 of the upper lock mechanism 70 received within upper groove 84) .
Each of modules 58 has a hollow construction which in a preferred embodiment is sized to receive six fiber optic connector adapters disposed in an abutting linear array. In the preferred embodiment shown, the specific adapters 90 are well-known and so-called SC
adapters for receiving and retaining SC connectors at opposite ends of each of the adapters 90 such that each adaptor 90 joins and optically couples two fiber optic connectors.
It will be appreciated that SC adapters form no part of this invention per se. Such adapters are commercially available, well-known items. An example of such an adaptor is shown in commonly-assigned and issued U.S. Patent No. 5,317,663.
Also, it will be appreciated that while SC adapters 90 are shown in use in a preferred embodiment, different types of adapters for different v ~ v v ' . 'J- ti-9:~ : '-''~ ' ' : Ep 1 :3 r 1 ~'? lE~- +~1 J fib '?~l'J:~k-lG:a : ;i 11 iZCV. ~ 0 ; : EI A 'll. E .CNE. ; Uo -., :., , _~, ~ .~.~ ,. .~. , ~1$L373 types oz f=be; optic cc~nectors ( fc.~r =xarrp? e, FC, D4 0::
c'her ~conne,ctcro; cc::~c ~.lso ~e u'il_zec: in the ~ndd~.ies 58 with': inter~ai crec~etYy cf the ~:U~ul.es 58 s~.mp! y ~.03i fiEC to ~CCOt~.T,l:,C.dtt.' ~.~ro'-Cn~ :.".~~Z_':.al ,C-.~E~,~_,('.lct'.."'y C
n:_-~~YC''.T':L C~rnPCt47L' 3~a,.~.t~.°=S.
GT:. tn r2f 2W..°_:C~ r:OW f:7~CS tC Y iQ'S . G anJ. S , °~
Ch a r _C
C. ~h C 0~9 OIInE:C t;'_'.~Ya d~ i5 E't'CLtrEC. (t~':~O'.iCt'1 .CCO:tS
Cr t::e :.ik2) _., t he sugpcrt Fl.a~farr~.8 4~ _ Si4ewa11s 45, 9 of lef' _~xtur=' ~v ara a~zed tc cJ.osel;r fa:e wa ~ i s i2 , 3C . J1d° CW ~ _.~ ~7 ~ icJ' ''rSf ='lg;I~ a.~X:li~P 2.~.' f a?"2 $:.Z'?C
t,'S C1.082~ Y '~C° wails .~~~~., ~~7 . l::° S;t~.~ i~S~ ~b G5 =~ Car' - r _ sprir_a-yoadea lcc<:ing t~~s ~~3 which _ar_ be ~,? led :.. al3yC~ ~I t;.7 r°~x'aC.~, 3 ~ C'.~C.~ p_r .''.~2 ~''1Q. ~; . ~DCTl r;nJ.ease c= th= a , t L1S y~~,,, =~:a t3~.'5 . '? ~rt3 3D~1.;.'"C-~'_3scr tc permit lcci;ing pi ns i02 to prctruce beor_d t:~t exte~ior o. the ai.da wa~i~ ~5 4°. ~a ~- posir_g sun faces c' _ h= plates 34, ~C, 42 an~3c are p=av~,ded ai=~1 deter-a ~F'1 ~ . ~ y sl;.F'C t~v L'2C~LV,g the pi.'_5 _Q ~ SL:C~h t:~_c''.~
Su~pCr= plati.~.~IL: ~d 3:'ld c'lLL~Ch2Ci CrOSs-Cnr~'leCC tr3YlS Go ZO :nav be -_otated a'oaut pivot xod 3B to any cr~e o= a g_u=ality of ;Mated pcsi.tion- and L_xed in p~ ace '.n t:~e, iRX~d ~~~.3i.t i.~,T':. F'' C. ~ S hC4Y;s a WO ::lt~.ilC f iXL
ure 2 ~ -n rorizc~~ta? pca:.t_r~n a d a second mcu nt:.:~.g f ixt~ure z6' sotatec' about pi.voL rod 38 to a dowy. poai t:.on.
z= The for~,aYd ed~2 cf eac'~ cf the supgc~r_ p'_atforms ~4 is provided wit:~ e:cter~.s~.on s-de walls 100, 102 wh =cr~ extErd frog, the side pates a5, ~. 'she exter_s? an walls 1G C , i02 extend forwardlrr beyond tha frorLt 3i do ef the adapt'rs SO icy a distar_ce su_fiG:.~'::C
t0 De'~'TTl~t CaT: n'vCtorS t:~.~ J"..~ iII3°~ ~.ed WltfFin tLlw° adal7tW5 9C as wil= become appar°..~.t .
The extension wal~.s 100,02 are joinec by a _ 'onward wall ~0~. ~xtendng upwardly Eror~ fcr~~ard wai-_ lOQ is a desi~'racion p=ata .06 which prov:.des ~a flat ?5 S1_:r=aC2 Qe!18r31='~ ~ ~.=aZl~i to rhE' piaT=e C~ ChH _°rOnt ends of ~he adapters °0. she rat surface or the desig'xiation plate ' 06 rro-~=des a surface on which a Al~l~il~W J~EET
designation strip can be attached to permit an operator to place identifying information or the like. The plate 106 also protects the adaptors 90 and attached connectors and fibers from physical damage.
Secured to the forward wall 104 and spaced between the designation plate 106 and the adapters 90 are a plurality of arcuate fanning clips 108. For the left side fixtures 26, the fanning clips 108 are arced to direct fibers from the adapters to the left side of the frame. For the right side fixture 26', the fanning clips 108 are oriented to direct fibers from the adapters 90 to the right side of the fxame. Further, each of the fixtures 26 is provided with a radius plate 110 with an attached fanning clip 112. The plate 110 permits fibers to be draped downwardly through clip 112 with the radius 110 limiting the bending of the fibers to prevent excess bending.
Connected to the fixture 26 on the rear side thereof may be provided any one of a plurality of different styles of cable management fixtures 120. The cable management fixtures 120 shown in Fig. 4 includes a plurality of fanning clips for cable management as well as takeup spools for taking up excess amounts of cable.
It will also be appreciated that the rear area of the fixtures 26 can be provided with a variety of different cable management devices including splice trays or the like.
With reference now to Figs. 25-26, the reader will note use of the fixture 26 in use for organizing and cross connecting a plurality of optical fibers.
Equipment fibers 130 enter the rear of the fixture 26 with excess fiber lengths wrapped around the cable management device 120. The equipment fibers 130 may originate from any one of a plurality of different types of fiber optic equipment such as fiber-~to-copper convertors. Each of the fibers 130 is terminated at an SC connector 132. The connector l32 is received within WO 95/20175 PCT/US94ni3138 the back end of adapters 90. Cross-connect fiber cables (frequently referred to as jumpers) 140 are passe~:~
through clip 112 and individually fanned by fanning clips 108 toward adapters 90. Each of the fibers 140 terminates at an SC connector 142 which is each received within the forward end of an adaptor 90 such that each one of connectors 132 is individually connected t~:~ a singular one of a plurality of connectors 142.
From time to time, it is desirable to rc:~place or move the cross-connect cables 140. If the cab:l_es or connectors of the top three adaptors of a given mc:~dule 58 are desired to be accessed, the operator grasp;: the locking tabs 74 and moves the module upwardly to i::he position of the raised module 58 shown in Fig. 25. In this position, each of the top three of the conne<aors 142 of the module is readily accessible without interference from the designation strip 106. If t::he bottom three of the connectors 142 of the same moc:~ule 58 are to be accessed, the operator simply engages tine tabs 74 and moves the connector downwardly until the tc:~p tab 74 is received within the groove 84 to lock the mc:~dule 58 in the down position. In the down position, tle bottom three of the connectors 142 is accessible ~:~eneath the designation strip 106 without interference fr<:~m the designation strip 106. When no connectors are to be accessed, the module 58 is placed in its neutral position with all of the connectors 142 protected from impact or other interference by means of the desic:~nation strip 106 and the forward wall 104.
The reader will note that in order to obtain access to any one of the connectors 142 in a modu:l_e 58, the module 58 is only moved a very small distance.
Also, only six adaptors 90 are moved at a time. 'i'he very small movement associated with accessing each of the connectors results in a minimal probability o:::
damage to any one of the fiber optic cables.
The benefits of the present invention include limited displacement of the fibers. In the prior art, when a tray containing several connectors is moved, the fibers are displaced axially by a substantial amount (ea., about 3 inches). In the present invention, as a module 58 is moved up or down (about 1.5 inches) the fiber experiences very little axial movement with most of the movement accommodated by a lifting or lowering movement of the fiber transverse to the fiber's axis.
While the back connectors 132 are semi-permanently installed, it is desirable, from time to time, to be able to have access to the connectors 132 (particularly when the connectors 132 are initially installed). However, if access to back. connectors 132 is desired, they may be accessed the same as the front connectors 142 (i.e., by raising or lowering modules 58) .
In certain installations, only the front of frame 10 is accessible to an operator. In such installations, access to the cable management device 120 is obtained through the tilt feature of the fixture 26.
Namely, to obtain access to the cable management device 120 from the front of frame 10, the tabs 103 are pulled inwardly to retract lock pins 102. With the pins 102 retracted, the entire fixture 26 rotates about the pivot rod 38 to a down position as shown by fixture 26' in Fig. 4. In the down position, the cable management device 120 is readily accessible to an operator facing the front of the frame 10.
Other modifications of the invention may be apparent to one skilled in the art. For example, in the preferred embodiment illustrated, a module 58 with all six adaptors 90 is moved up or down from the neutral position. Alternatively, the module 58 could be split in half with the top half moved up to access the top three connectors and with the bottom half independently moved down to access the bottom three adaptors.
WO 95/20175 PCT/US9~l.Ii3138 Also, as an alternative, the modules 58 can be provided with additional functions. In the preferred embodiment illustrated, the modules 58 retain only adaptors 90. However, modules 58 can include pro:3ucts other than adaptors 90. For example, modules 58 nay house optical splatters, WDM's (wave division multiplexers) or other equipment. While adaptors 90 may be used with such enhancements, adaptors 90 may n~:~t be necessary (era. , such enhanced modules may be pro~;rided with fiber pigtails).
From the foregoing detailed description of the present invention, it has been shown how the obje~;ts of the invention have been attained in a preferred m,~nner.
However, modifications and equivalents of the dis~::losed concepts, such as those which readily occur to on~:~
skilled in the art, are intended to be included w:~,_thin the scope of the claims which are appended hereto.
Claims (34)
1. A signal transmission cable management system comprising:
a fixture;
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel, each one of said modules including a plurality of adaptor means for holding a fiber optic connector, each one of said adaptor means movable with said one of said modules along said line of travel;
releasable lock means for releasably locking each of said modules in any one of a plurality of fixed positions along said line of travel;
means for connecting a first signal transmission cable at a rear side of each said module with a second signal transmission cable connected at a front side of each said module.
a fixture;
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel, each one of said modules including a plurality of adaptor means for holding a fiber optic connector, each one of said adaptor means movable with said one of said modules along said line of travel;
releasable lock means for releasably locking each of said modules in any one of a plurality of fixed positions along said line of travel;
means for connecting a first signal transmission cable at a rear side of each said module with a second signal transmission cable connected at a front side of each said module.
2. A system according to claim 1 wherein said modules each have a longitudinal axis; said modules mounted on said fixture in side-by-side relation with said longitudinal axes generally parallel to said line of travel, said plurality of adaptor means linearly disposed along said longitudinal axis.
3. A system according to claim 1 wherein said fixture includes a plurality of spaced-apart walls, opposing pairs of said walls, defining a plurality of channels, each of said modules being disposed within a respective channel, cooperating guide means for each of said modules and said walls for attaching said modules to said walls and accommodating movement of each of said modules along said line of travel.
4. A system according to claim 1 wherein each of said plurality of fixed positions includes a first, second and third position, each linearly separated along said line of travel.
5. A system according to claim 1 comprising a frame having mounting means for mounting said fixture in said frame;
said mounting means including a pivot attachment for said fixture to pivot relative to said frame about said pivot axis.
said mounting means including a pivot attachment for said fixture to pivot relative to said frame about said pivot axis.
6. A system according to claim 5 wherein said pivot axis is generally perpendicular to said line of travel.
7. A system according to claim 5 wherein said mounting means further includes a frame lock for releasably locking said fixture in any one of a plurality of a pivoted positions about said pivot axis.
8. A system according to claim 1 comprising a plurality of mating elements secured to each of said modules, said mating elements each including means for connection of said front side, respectively, with said first and second cables optically coupled.
9. A system according to claim 8 wherein said mating elements are mounted in a linear array defining a longitudinal axis for each of said modules, said modules mounted on said fixture in side-by-side relation with said longitudinal axes generally parallel to said line of travel.
10. A signal transmission cable management system comprising:
a fixture;
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel;
releasable lock means for releasably locking each of said modules in any one of a plurality of fixed positions along said line of travel, each of said plurality of fixed positions including a first, second and third position, each linearly separated along said line of travel;
means for connecting a first signal transmission cable at a rear side of each said module with a second signal transmission cable connected at a front side of each said module;
a forward wall disposed, spaced from and opposing said front sides of said modules said modules shielded by said forward wall when said one of said modules is in said first position and with a first upper portion of said one of said modules exposed above an upper edge of said forward wall when said one of said modules is in said second position and with a second portion of said one of said modules exposed below a lower edge of said forward wall when said one of said modules is in said third position.
a fixture;
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel;
releasable lock means for releasably locking each of said modules in any one of a plurality of fixed positions along said line of travel, each of said plurality of fixed positions including a first, second and third position, each linearly separated along said line of travel;
means for connecting a first signal transmission cable at a rear side of each said module with a second signal transmission cable connected at a front side of each said module;
a forward wall disposed, spaced from and opposing said front sides of said modules said modules shielded by said forward wall when said one of said modules is in said first position and with a first upper portion of said one of said modules exposed above an upper edge of said forward wall when said one of said modules is in said second position and with a second portion of said one of said modules exposed below a lower edge of said forward wall when said one of said modules is in said third position.
11. A signal transmission cable management system comprising:
a fixture;
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel;
releasable lock means for releasably locking each of said modules in any one of a plurality of fixed positions along said line of travel;
means for connecting a first signal transmission cable at a rear side of each said module with a second signal transmission cable connected at a front side of each said module;
said fixture including a plurality of spaced-apart walls, opposing pairs of said walls, defining a plurality of channels, each of said modules being disposed within a respective channel, cooperating guide means for each of said modules and said walls for attaching said modules to said walls and accommodating movement of each of said modules along said line of travel;
said lock means including a locking member on each of said modules, said locking member moveable between a locked position and an unlocked position; said walls and said locking member including cooperating elements for restraining said modules for movement along said line of travel at each of said plurality of fixed positions when said locking member is in said locked position and accommodating movement of said module along said line of travel when said locked member is in said unlocked position.
a fixture;
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel;
releasable lock means for releasably locking each of said modules in any one of a plurality of fixed positions along said line of travel;
means for connecting a first signal transmission cable at a rear side of each said module with a second signal transmission cable connected at a front side of each said module;
said fixture including a plurality of spaced-apart walls, opposing pairs of said walls, defining a plurality of channels, each of said modules being disposed within a respective channel, cooperating guide means for each of said modules and said walls for attaching said modules to said walls and accommodating movement of each of said modules along said line of travel;
said lock means including a locking member on each of said modules, said locking member moveable between a locked position and an unlocked position; said walls and said locking member including cooperating elements for restraining said modules for movement along said line of travel at each of said plurality of fixed positions when said locking member is in said locked position and accommodating movement of said module along said line of travel when said locked member is in said unlocked position.
12. A system according to claim 11 wherein said cooperating elements includes a detent formed in said walls and corresponding with said plurality of fixed positions, said locked member including an edge sized to be received within said detent when said lock member is in said locked position and said edge removed from said detent when said lock member is in said unlocked position.
13. A system according to claim 12 wherein said lock member is biased toward said locked position.
14. A signal transmission cable management system comprising:
a fixture;
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel;
releasable lock means for releasably locking each of said modules in any one of a plurality of fixed positions along said line of travel;
means for connecting a first signal transmission cable at a rear side of each said module with a second signal transmission cable connected at a front side of each said module;
said fixture including a plurality of spaced-apart walls, opposing pairs of said walls, defining a plurality of channels, each of said modules being disposed within a respective channel, cooperating guide means for each of said modules and said walls for attaching said modules to said walls and accommodating movement of each of said modules along said line of travel;
said cooperating guide means including a rail on each of said modules and a mating groove on at least one of said walls opposing each of said channels with said rails slidable received within said groove and with said rails sliding within said groove along said line of travel.
a fixture;
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel;
releasable lock means for releasably locking each of said modules in any one of a plurality of fixed positions along said line of travel;
means for connecting a first signal transmission cable at a rear side of each said module with a second signal transmission cable connected at a front side of each said module;
said fixture including a plurality of spaced-apart walls, opposing pairs of said walls, defining a plurality of channels, each of said modules being disposed within a respective channel, cooperating guide means for each of said modules and said walls for attaching said modules to said walls and accommodating movement of each of said modules along said line of travel;
said cooperating guide means including a rail on each of said modules and a mating groove on at least one of said walls opposing each of said channels with said rails slidable received within said groove and with said rails sliding within said groove along said line of travel.
15. In a signal transmission cable management system having a fixture including a plurality of spaced apart walls defining a plurality of parallel spaced apart cavities, said walls including first and second parallel and opposing recesses; an optic module for mounting in said cavities, said module comprising:
a body sized to be slidably received within said cavity for movement along a line of travel, said body having first and second parallel rails, said rails sized to be slidably received within said recesses;
said body including a plurality of adaptor means for connecting a plurality of fiber optic cables to said body, said plurality of adaptor means linearly aligned along said line of travel;
said body including latch means for securing said body to said fixture in any one of a plurality of fixed positions along said line of travel.
a body sized to be slidably received within said cavity for movement along a line of travel, said body having first and second parallel rails, said rails sized to be slidably received within said recesses;
said body including a plurality of adaptor means for connecting a plurality of fiber optic cables to said body, said plurality of adaptor means linearly aligned along said line of travel;
said body including latch means for securing said body to said fixture in any one of a plurality of fixed positions along said line of travel.
16. A signal transmission cable management system comprising: a fixture; and a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel, each one of said modules including a plurality of adaptor means for holding a fiber optic connector, each adaptor means having opposite ends for coupling to a fiber optic cable connector, each one of said adaptor means movable with said one of said modules along said line of travel, said plurality of adaptor means linearly disposed along said line of travel for each of said modules.
17. A system according to claim 16 wherein each of said plurality of adaptor means couples first and second SC
fiber optic cable connectors.
fiber optic cable connectors.
18. A system according to claim 16 wherein said modules each have a longitudinal axis, said modules mounted on said fixture in side-by-side relation with said longitudinal axes generally parallel to said line of travel, said plurality of adaptor means linearly disposed along said longitudinal axis.
19. A system according to claim 16 wherein said fixture defines a plurality of channels, each of said modules being disposed within a respective channel, and further comprising cooperating guides on each of said modules and within said channels accommodating movement of each of said modules along said line of travel.
20. A system according to claim 19 further including a plurality of spaced-apart walls, opposing pairs of said walls defining said plurality of channels, each of said modules being disposed within a respective channel, and wherein said cooperating guides are on each of said walls for attaching said modules to said walls.
21. A signal transmission cable management system comprising: a fixture;
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel, each one of said modules including a plurality of adaptor means for holding a fiber optic connector, each adaptor means mountable to a fiber optic cable connector, each one of said adaptor means movable with said one of said modules along said line of travel; and a releasable lock for locking each module to said fixture in a first position, each of said locks being releasable to allow movement of each of said modules to a second position along said line of travel.
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel, each one of said modules including a plurality of adaptor means for holding a fiber optic connector, each adaptor means mountable to a fiber optic cable connector, each one of said adaptor means movable with said one of said modules along said line of travel; and a releasable lock for locking each module to said fixture in a first position, each of said locks being releasable to allow movement of each of said modules to a second position along said line of travel.
22. A system according to claim 21 wherein each of said plurality of adaptor means is mountable to an SC fiber optic cable connector.
23. A signal transmission cable management system comprising: a fixture; and a plurality of modules movably mounted on said fixture with each of said modules individually movable relative to said fixture, each one of said modules including a plurality of adaptor means for holding a fiber optic connector, each adaptor means mountable to a fiber optic cable connector, each one of said adaptor means movable with said one of said modules, wherein said modules each have a longitudinal axis, said modules mounted on said fixture in side-by-side relation with said longitudinal axes generally parallel to one another, said plurality of adaptor means linearly disposed along said longitudinal axis, each of said modules movable in a direction parallel to the longitudinal axis of each module.
24. A system according to claim 23 wherein each of said plurality of adaptor means is mountable to an SC fiber optic cable connector.
25. A signal transmission cable management system comprising: a fixture; and a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel, each one of said modules including a plurality of adaptor means for holding a fiber optic connector, each adaptor means mountable to a fiber optic cable connector, each one of said adaptor means movable with said one of said modules along said line of travel, wherein said fixture includes a plurality of spaced-apart walls, opposing pairs of said walls defining a plurality of channels, each of said modules being disposed within a respective channel, and further comprising cooperating guides on each of said modules and said walls for attaching said modules to said walls and accommodating movement of each of said modules along said line of travel.
26. A system according to claim 25 wherein each of said plurality of adaptor means is mountable to an SC fiber optic cable connector.
27. A signal transmission cable management system comprising: a fixture;
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel, each one of said modules including a plurality of adaptor means far holding a fiber optic connector, each adaptor means for connecting first and second fiber optic cable connectors, each one of said adaptor means movable with said one of said modules along said line of travel, said plurality of adaptor means linearly disposed along said line of travel for each of said modules; and a hinged locking tab at an end of each module for selectively locking each module to said fixture.
a plurality of modules mounted on said fixture with each of said modules movably mounted on said fixture for movement along a line of travel, each one of said modules including a plurality of adaptor means far holding a fiber optic connector, each adaptor means for connecting first and second fiber optic cable connectors, each one of said adaptor means movable with said one of said modules along said line of travel, said plurality of adaptor means linearly disposed along said line of travel for each of said modules; and a hinged locking tab at an end of each module for selectively locking each module to said fixture.
28. In a signal transmission cable management system having a fixture including a plurality of spaced apart walls defining a plurality of parallel spaced apart cavities, said walls including first and second parallel and opposing recesses; a module for mounting in said cavities, said module comprising:
a body sized to be slidably received within said cavity for movement along a line of travel, said body having first and second parallel rails, said rails sized to be slidably received within said recesses; and said body including a plurality of adaptor means for connecting a plurality of fiber optic cables to said body, said plurality of adaptor means linearly aligned along said line of travel.
a body sized to be slidably received within said cavity for movement along a line of travel, said body having first and second parallel rails, said rails sized to be slidably received within said recesses; and said body including a plurality of adaptor means for connecting a plurality of fiber optic cables to said body, said plurality of adaptor means linearly aligned along said line of travel.
29. A module according to claim 28 wherein each of said plurality of adaptor means couples first and second SC
fiber optic cable connectors.
fiber optic cable connectors.
30. A module according to claim 28 comprising a latch for securing said body to said fixture in a first position.
31. A fiber optic distribution frame comprising:
a frame member including a base with said frame member having means for supporting a plurality of assemblies along a vertical length of said frame member;
p1 a plurality of connector assemblies secured to said frame with each of said assemblies including a plurality of modules, each of said modules mounted for individual movement along individual ones of a plurality of lines of travel with each one of said modules including a plurality of adapters for holding a fiber optic connector, each one of said adapters moveable with said one of said modules along a respective line of travel of said one of said modules, said adapters dispersed in a side-by-side array having a longitudinal axis parallel to said lines of travel;
each of said fiber optic connectors having means for connecting a first signal transmission cable at a rear side of said adapter with a second signal transmission cable connected at a front side of said adapter; and a fiber guide secured to said frame for organizing fibers directed toward said modules.
a frame member including a base with said frame member having means for supporting a plurality of assemblies along a vertical length of said frame member;
p1 a plurality of connector assemblies secured to said frame with each of said assemblies including a plurality of modules, each of said modules mounted for individual movement along individual ones of a plurality of lines of travel with each one of said modules including a plurality of adapters for holding a fiber optic connector, each one of said adapters moveable with said one of said modules along a respective line of travel of said one of said modules, said adapters dispersed in a side-by-side array having a longitudinal axis parallel to said lines of travel;
each of said fiber optic connectors having means for connecting a first signal transmission cable at a rear side of said adapter with a second signal transmission cable connected at a front side of said adapter; and a fiber guide secured to said frame for organizing fibers directed toward said modules.
32. A high density fiber distribution frame according to claim 31 wherein said modules mounted in side-by-side relation with said longitudinal axes generally parallel to said lines of travel.
33. A high density fiber distribution frame according to claim 32 wherein said longitudinal axis is vertically oriented.
34. A high density fiber distribution frame according to claim 31 wherein said modules are split for said plurality of adapters to include a first set and a second set of adapters each separately movable along said respective line of travel.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18097094A | 1994-01-21 | 1994-01-21 | |
| US08/180,970 | 1994-01-21 | ||
| PCT/US1994/013138 WO1995020175A1 (en) | 1994-01-21 | 1994-11-16 | High-density fiber distribution frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2181373A1 CA2181373A1 (en) | 1995-07-27 |
| CA2181373C true CA2181373C (en) | 2005-10-18 |
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ID=22662356
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002181373A Expired - Fee Related CA2181373C (en) | 1994-01-21 | 1994-11-16 | High-density fiber distribution frame |
Country Status (15)
| Country | Link |
|---|---|
| US (4) | US5497444A (en) |
| EP (2) | EP0740803B1 (en) |
| KR (1) | KR100316756B1 (en) |
| CN (1) | CN1057391C (en) |
| AT (2) | ATE176336T1 (en) |
| AU (1) | AU679308B2 (en) |
| CA (1) | CA2181373C (en) |
| DE (2) | DE69416330T2 (en) |
| ES (2) | ES2129192T3 (en) |
| HK (1) | HK1011224A1 (en) |
| HU (1) | HU216983B (en) |
| PT (1) | PT871047E (en) |
| SG (2) | SG49194A1 (en) |
| TW (1) | TW232757B (en) |
| WO (1) | WO1995020175A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW232757B (en) * | 1994-01-21 | 1994-10-21 | Adc Telecommunications Inc | High-density fiber distribution frame |
| WO1996024081A1 (en) * | 1995-01-30 | 1996-08-08 | The Whitaker Corporation | Pedestal and holders for fiber optic cable |
| DE19537290C1 (en) * | 1995-10-06 | 1996-11-28 | Siemens Ag | Light pipe distribution frame for connection of incoming and outgoing optical fibres |
| US5758003A (en) * | 1996-03-15 | 1998-05-26 | Adc Telecommunications, Inc. | High density fiber management |
| EP0801317B1 (en) * | 1996-04-12 | 2002-06-26 | Telephone Cables Limited | Management of optical fibre |
| US5740300A (en) * | 1996-05-01 | 1998-04-14 | Scientific-Atlanta, Inc. | Transceiver module support apparatus with fiber management features |
| US5701380A (en) * | 1996-06-24 | 1997-12-23 | Telect, Inc. | Fiber optic module for high density supply of patching and splicing |
| US5871559A (en) * | 1996-12-10 | 1999-02-16 | Bloom; Cary | Arrangement for automated fabrication of fiber optic devices |
| US5815619A (en) * | 1996-12-10 | 1998-09-29 | Bloom; Cary | Fiber optic connector hermetically terminated |
| US6000858A (en) * | 1996-07-12 | 1999-12-14 | Bloom; Cary | Apparatus for, and method of, forming a low stress tight fit of an optical fiber to an external element |
| US5971629A (en) * | 1996-07-12 | 1999-10-26 | Bloom; Cary | Apparatus and method bonding optical fiber and/or device to external element using compliant material interface |
| US5805757A (en) * | 1996-12-10 | 1998-09-08 | Bloom; Cary | Apparatus and method for preserving optical characteristics of a fiber optic device |
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-
1994
- 1994-02-26 TW TW083101654A patent/TW232757B/en not_active IP Right Cessation
- 1994-11-16 DE DE69416330T patent/DE69416330T2/en not_active Expired - Lifetime
- 1994-11-16 ES ES95903533T patent/ES2129192T3/en not_active Expired - Lifetime
- 1994-11-16 AU AU12555/95A patent/AU679308B2/en not_active Expired
- 1994-11-16 EP EP95903533A patent/EP0740803B1/en not_active Expired - Lifetime
- 1994-11-16 EP EP98112420A patent/EP0871047B8/en not_active Expired - Lifetime
- 1994-11-16 HU HU9601932A patent/HU216983B/en unknown
- 1994-11-16 AT AT95903533T patent/ATE176336T1/en active
- 1994-11-16 ES ES98112420T patent/ES2198024T3/en not_active Expired - Lifetime
- 1994-11-16 CA CA002181373A patent/CA2181373C/en not_active Expired - Fee Related
- 1994-11-16 DE DE69432531T patent/DE69432531T2/en not_active Expired - Lifetime
- 1994-11-16 WO PCT/US1994/013138 patent/WO1995020175A1/en active IP Right Grant
- 1994-11-16 SG SG1996007479A patent/SG49194A1/en unknown
- 1994-11-16 KR KR1019960703889A patent/KR100316756B1/en not_active IP Right Cessation
- 1994-11-16 SG SG9905001A patent/SG108809A1/en unknown
- 1994-11-16 CN CN94194854A patent/CN1057391C/en not_active Expired - Lifetime
- 1994-11-19 PT PT98112420T patent/PT871047E/en unknown
- 1994-11-19 AT AT98112420T patent/ATE237818T1/en active
-
1995
- 1995-05-22 US US08/446,428 patent/US5497444A/en not_active Ceased
-
1996
- 1996-03-04 US US08/610,472 patent/US5717810A/en not_active Expired - Lifetime
-
1998
- 1998-03-05 US US09/035,377 patent/USRE38311E1/en not_active Expired - Lifetime
- 1998-11-25 HK HK98112301A patent/HK1011224A1/en not_active IP Right Cessation
-
2003
- 2003-03-18 US US10/391,052 patent/USRE41460E1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69416330D1 (en) | 1999-03-11 |
| HK1011224A1 (en) | 1999-07-09 |
| US5717810A (en) | 1998-02-10 |
| HU216983B (en) | 1999-10-28 |
| CN1142268A (en) | 1997-02-05 |
| USRE38311E1 (en) | 2003-11-11 |
| US5497444A (en) | 1996-03-05 |
| USRE41460E1 (en) | 2010-07-27 |
| AU679308B2 (en) | 1997-06-26 |
| ES2129192T3 (en) | 1999-06-01 |
| PT871047E (en) | 2003-07-31 |
| ATE176336T1 (en) | 1999-02-15 |
| WO1995020175A1 (en) | 1995-07-27 |
| EP0871047A1 (en) | 1998-10-14 |
| SG49194A1 (en) | 1998-05-18 |
| DE69432531T2 (en) | 2004-02-05 |
| DE69416330T2 (en) | 1999-09-09 |
| CN1057391C (en) | 2000-10-11 |
| AU1255595A (en) | 1995-08-08 |
| EP0871047B1 (en) | 2003-04-16 |
| HUT74895A (en) | 1997-02-28 |
| ATE237818T1 (en) | 2003-05-15 |
| HU9601932D0 (en) | 1996-09-30 |
| EP0871047B8 (en) | 2004-01-02 |
| TW232757B (en) | 1994-10-21 |
| KR100316756B1 (en) | 2002-04-06 |
| EP0740803B1 (en) | 1999-01-27 |
| DE69432531D1 (en) | 2003-05-22 |
| SG108809A1 (en) | 2005-02-28 |
| ES2198024T3 (en) | 2004-01-16 |
| CA2181373A1 (en) | 1995-07-27 |
| EP0740803A1 (en) | 1996-11-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |