DES-1218R/DES-1226R 10/100/1000 Mbps Ethernet Switch User ’s Guide
23
B
8
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ABLES AND
C
ONNECTORS
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.
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
