# 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.

(at the network interface cards/hubs)
(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

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Document last modified: 2002-01-10