Appendix a networking connection, A.2 10/100mbps, 10/100base-tx – Interlogix MCR300-1T-2S User Manual
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Appendix A Networking Connection
A.1 Data RJ-45 Pin Assignments - 1000Mbps, 1000Base-T
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.
A.2 10/100Mbps, 10/100Base-TX
RJ-45 Connector pin assignment
PIN NO
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
The standard cable, RJ-45 pin assignment
2 1
3
6
1
2
3
6
2 1
3
6
The standard RJ-45 receptacle/connector
PIN NO
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-