Appendix a networking connection, A.1 poe switch rj-45 port pin assignments – PLANET FSD-808HP User Manual
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Appendix A Networking Connection
A.1 PoE Switch RJ-45 Port Pin Assignments
1 2 3 4 5 6 7 8
PIN NO
RJ-45 SIGNAL ASSIGNMENT
1
l Negative Power +
2
l Negative Power +
3
l Positive Power –
6
l Positive Power –
A.2 10/100Mbps, 10/100Base-TX
When connecting Switch to another Fast Ethernet switch, a straight or crossover
cable might necessary. Each port of the Switch supports auto-MDI/MDI-X detection.
That means you can directly connect the Switch to any Ethernet devices without
making a crossover cable. The following table and diagram show the standard
RJ-45 receptacle/connector and their pin assignments:
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