xStack DGS-3400 Series Fast Ethernet Switch
Appendix B
Cables and Connectors
When connecting the Switch to another switch, a bridge or hub, a normal cable is necessary. Please review these products
for matching cable pin assignment.
The following diagrams and tables show the standard RJ-45 receptacle/connector and their pin assignments.
Appendix 1- 1. The standard RJ-45 port and connector
RJ-45 Pin Assignments
Contact MDI-X Port MDI-II Port
1 RD+ (receive) TD+ (transmit)
2 RD- (receive) TD- (transmit)
3 TD+ (transmit) RD+ (receive)
4 Not used Not used
5 Not used Not used
6 TD- (transmit) RD- (receive)
7 Not used Not used
8 Not used Not used
Appendix 1- 2. The standard RJ-45 pin assignments
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