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DES-1218/DES-1226 10/100/1000 Mbps Ethernet Switch User’s Guide
25
B
8 C
ABLES AND
C
ONNECTORS
When connecting the Switch to another switch, a bridge or hub, a crossover 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.
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
The standard RJ-45 pin assignments