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 - |