DGS-1250 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide
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Appendix B - Cables and Connectors
Ethernet Cable
When connecting the Switch to another switch, a bridge or hub, a straight-through Cat5/5e/6a/7 cable is necessary.
Please review these products for matching cable pin assignment.
The following diagrams and tables show the standard RJ45 receptacle/connector and their pin assignments.
Figure B-1 Standard RJ45 port and connector
RJ45 Pin Assignment
Contact MDI-X Port MDI-II Port
1
RD+ (receive) TD+ (transmit)
2
RD - (receive) TD - (transmit)
3
TD+ (transmit) RD+ (receive)
4
1000BASE-T 1000BASE-T
5
1000BASE-T 1000BASE-T
6
TD - (transmit) RD- (receive)
7
1000BASE-T 1000BASE-T
8
1000BASE-T 1000BASE-T