Planet Technology POE-151 Appendix A Networking Connection, A.1 Switch‘s RJ-45 Pin Assignments

APPENDIX A NETWORKING CONNECTION

A.1 Switch‘s RJ-45 Pin Assignments

RJ-45 Connector pin assignment

	MDI		MDI-X
Contact	Media Dependant In-		Media Dependant In-
	terface		terface -Cross
1	TX + (transmit)		Rx + (receive)
2	TX - (transmit)		Rx - (receive)
3	Rx + (receive)		TX + (transmit)
4, 5		DC	current*
6	Rx - (receive)		TX - (transmit)
7, 8		Ground

Remark:

Gigabit Ethernet is not allowed to use POE-151 since pair 4,5 and pair 7, 8 are all being used for data transmission in Gigabit Ethernet data transmission. Only 10Base-T and 100Base-TX can apply with POE-151 products.

A.2 RJ-45 cable pin assignment

6 321

6 321

6 3 2 1

The standard RJ-45 receptacle/connector

There are 8 wires on a standard UTP/STP cable and each wire is color-coded. The following shows the pin allocation and color of straight cable and crossover cable connection:

Figure A-1: Straight-Through and Crossover Cable

Please make sure your connected cables are with same pin assignment and color as above picture before deploying the cables into your network.

2080-A31120-000

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