A method of adjusting the sensitivity of a receiver requires the association of a network address of a remote network device, such as a computer, with a first port of a multiport network device, such as a switch. The reception of the network address of the remote network device at a second port of the...http://www.google.com/patents/US5982741?utm_source=gb-gplus-sharePatent US5982741 - Method and apparatus for automatically reducing cross-talk between wires coupled to a common network device