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Appendix A Networking Connection
A.1 Switch‘s RJ-45 Pin Assignments
10/100Mbps, 10/100Base-TX
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
A.2 RJ-45 cable Pin Assignments
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: