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A.1 Switch's RJ-45 Pin Assignments
1000Mbps, 1000Base-T
Contact
MDI
1
BI_DA+
2
BI_DA-
3
BI_DB+
4
BI_DC+
5
BI_DC-
6
BI_DB-
7
BI_DD+
8
BI_DD-
10/100Mbps, 10/100Base-TX
RJ-45 Connector pin assignment
Contact
Media Dependant
1
2
3
4, 5
6
7, 8
A.2 RJ-45 cable pin assignment
2 1
6
3
6
3
2 1
6
3
2
1
The standard RJ-45 receptacle/connector
APPENDIX A - NETWORKING CONNECTION
MDI-X
BI_DB+
BI_DB-
BI_DA+
BI_DD+
BI_DD-
BI_DA-
BI_DC+
BI_DC-
MDI
Media Dependant
Interface
Interface -Cross
Tx + (transmit)
Rx + (receive)
Tx - (transmit)
Rx - (receive)
Rx + (receive)
Tx + (transmit)
Not used
Rx - (receive)
Tx - (transmit)
Not used
MDI-X
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