
20
APPENDIX A: Networking Connection
A.1 PoE RJ45 Port Pin Assignments (End-span)
1 2 3 4 5 6 7 8
PIN NO
RJ45 POWER ASSIGNMENT
1
Power +
2
Power +
3
Power -
6
Power -
A.2 Switch’s RJ45 Pin Assignments
1000Mbps, 1000BASE-T
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
RJ45 Connector Pin Assignment
Contact
MDI
Media Dependent Interface
MDI-X
Media Dependent 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