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10/100BaseT Networks

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This type of networks reserve one pair of wires for:
Collision detection?
Error detection? or
Speed regulation?

11 replies

by barry hensley

There are 8 pins on an RJ-45 jack/connector. Standard ethernet uses pins 1,2,3, & 6. Pins 1&2 are a pair and pins 3&6 are a pair. One is used for transmit, the other for receive. Pairs 4&5 and 7&8 are either reserved for telephony applications or are used in a full duplex ethernet network.

Collision detection, etc. are a function of the protocol and have nothing to do with the wiring.

by sinbadthecat

in 10/100 BaseT uses the TIA 568-A standard. there are two ways to wire a cable both will work just fine, basically its a channel A/B since only 4 of the 8 wires are used in most applications. 568-A and 568-B are wired differently but act the same for conductivity. for the ways to wire both of these got to lanshack.com

by raulmoisescsr

All the proposed answers were correct.
Thanks to you and to the members that participating on the Q&A posting.

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