PLANET GTP-80x Series - Manual (Page 21)

21
APPENDIX A
A.1 Device's RJ-45 Pin Assignments
1000Mbps, 1000Base-T
RJ-45 Connector pin assignment
Contact MDI MDI-X
1 BI_DA+ BI_DB+
2 BI_DA- BI_DB-
3 BI_DB+ BI_DA+
4 BI_DC+ BI_DD+
5 BI_DC- BI_DD-
6 BI_DB- BI_DA-
7 BI_DD+ BI_DC+
8 BI_DD- BI_DC-
10/100Mbps, 10/100Base-TX
RJ-45 Connector pin assignment
Contact
MDI Media Dependant
Interface
MDI-X Media Dependant
Interface -Cross
1 Tx + (transmit) Rx + (receive)
2 Tx - (transmit) Rx - (receive)
3 Rx + (receive) Tx + (transmit)
4, 5 Not used
6 Rx - (receive) Tx - (transmit)
7, 8 Not used
Implicit implementation of the crossover function within a
twisted-pair cable, or at a wiring panel, while not expressly
forbidden, is beyond the scope of this standard.