GoTo CableCABLEGoTo Main

Ethernet 100Base-T4 Crossover Cable

This cable can be used to cascade hubs, or for connecting two Ethernet stations back-to-back without a hub.

RJ45 FEMALE CONNECTOR (To network interface card 1).
RJ45 FEMALE CONNECTOR (To network interface card 1).

RJ45 MALE CONNECTOR to network interface card 1.
RJ45 MALE CONNECTOR to network interface card 2.

Name Pin Pin Name
TX_D1+ 1 3 RX_D2+
TX_D1- 2 6 RX_D2-
RX_D2+ 3 1 TX_D1+
RX_D2- 6 2 TX_D1-
BI_D3+ 4 7 BI_D4+
BI_D3- 5 8 BI_D4-
BI_D4+ 7 4 BI_D3+
BI_D4- 8 5 BI_D3-
Note 1: It's important that each pair is kept as a pair. TX+ & TX- must be in the pair, and RX+ & RX- must together in another pair etc. (Just as the table above shows).
Contributors: Joakim Ögren, Kim Scholte
Source: ?
Please send any comments to Joakim Ögren.