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RD
TD
RD
Figure A-1 show the PCI 10/100BaseTX RJ-45 Connector Pin
Assignments
Note: The Pin assignments are identical for 10Base-T and
100Base-TX, by using UTP cable.
Network cabling
In Fast Ethernet 100Base-TX, the cable, quality, distance, and
connectors must comply with the EIA/TIA 568 “Commercial
Building Wiring Standard”.
IEEE 802.3u Specification: The 100Base-TX specification
supports 100 Mbps transmission over two of four pairs of twisted
Ethernet wiring. In two pair wiring, one pair of wires is used for
transmission, and the second is used for collision detection and
receiving.
1
1
5
5
3
3
7
7
2
2
6
6
4
4
8
8
Figure B-1 show the Unshielded Twisted Pair Wiring
Note: For the 10/100 Mbps twisted pair cable, pins 1&2 must be
a pair and pins 3&6 must also be a pair. Each pin must connect
straight to the other end of the