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.
Contact
MDI-X Port
1
RD+ (receive)
2
RD- (receive)
3
TD+ (transmit)
4
Not used
5
Not used
6
TD- (transmit)
7
Not used
8
Not used
xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch
Figure B- 1. The standard RJ-45 port and connector
RJ-45 Pin Assignments
Table B- 1. The standard RJ-45 pin assignments
Appendix B
MDI-II Port
TD+ (transmit)
TD- (transmit)
RD+ (receive)
Not used
Not used
RD- (receive)
Not used
Not used
279