xStack DES-3500 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual
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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.
Figure B- 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
Table B- 1. The standard RJ-45 pin assignments