EIA/TIA 568

10BASE-T
100BASE-TX
Pin T568B T568A MDI MDI-X 100BASE-T4 1000BASE-T Token Ring
1 White / Orange White / Green TX+ RX+ TX_D1+ BI_DA+
2 Orange Green TX- RX- TX_D1- BI_DA-
3 White / Green White / Orange RX+ TX+ RX_D2+ BI_DB+ TD-
4 Blue Blue BI_D3+ BI_DC+ RD+
5 White / Blue White / Blue BI_D3- BI_DC- RD-
6 Green Orange RX- TX- RX_D2- BI_DB- TD+
7 White / Brown White / Brown BI_D4+ BI_DD+
8 Brown Brown BI_D4- BI_DD-

Straight/Rollover

ISDN BRI Serial
Pin TE NT Cisco Cyclades
1 RTS CTS
2 DTR DSR
3 TX+ RX+ TxD RxD
4 RX+ TX+ GND GND
5 RX- TX- GND GND
6 TX- RX- RxD TxD
7 DSR DTR
8 CTS RTS


Thomas Insel / tinsel@tinsel.org