Specifications
xStack® DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide 
46 
Appendix B – Cables and Connectors 
Ethernet Cable 
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 connector and 
their pin assignments. 
Figure 5–3 Standard RJ-45 port and connector 
RJ-45 Pin Assignments 
Pin  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 










