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Ethernet 1000Base-T

1000 Base-T uses all pairs for bidirectional traffic in the RJ45 connector. Cables used should be of Category 5e(nhanced), even though Category 5 cables usually works too.

RJ45 FEMALE CONNECTOR (at the network interface cards/hubs)
RJ45 FEMALE CONNECTOR (at the cables)

RJ45 FEMALE CONNECTOR at the network interface cards/hubs.
RJ45 MALE CONNECTOR at the cables.

Pin Name Description
1 BI_DA+ Bi-directional pair A +
2 BI_DA- Bi-directional pair A -
3 BI_DB+ Bi-directional pair B +
4 BI_DC+ Bi-directional pair C +
5 BI_DC- Bi-directional pair C -
6 BI_DB- Bi-directional pair B -
7 BI_DD+ Bi-directional pair D +
8 BI_DD- Bi-directional pair D -

Contributor: Niklas Edmundsson,

Source:
IEEE Std 802.3, 2000 Edition

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07