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Fast Ethernet Cabling (8650)



  Fast Ethernet Cabling
The 100BASE-TX specifications support 100 Mbps transmission over two or four pairs of twisted-pair Ethernet cabling. In two pair cabling, one pair of cables is used for transmission, and the second is used for reception and collision detection.

Because a 125 MHz frequency is used on the wire, 100BASE-TX uses Category 5 cabling.

Segment lengths are limited to 100 meters (328 feet) with 100BASE-TX for signal timing reasons.


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