Chapter 2 Preparing for Installation
GRP Port Connection Guidelines
2-32
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
When connecting the RJ-45 port to a hub or repeater, use the straight-through
cable pinout shown in
Figure 2-16
.
Figure 2-16 Straight-Through Ethernet Cable Pinout
When connecting two GRPs back-to-back, use the crossover cable pinout shown
in
Figure 2-17
.
Figure 2-17 Crossover Ethernet Cable Pinout
MDI-X wiring
MDI wiring
1 TxD+
2 TxD–
3 RxD+
6 RxD–
1 RxD+
2 RxD–
3 TxD+
6 TxD–
H11007
GRP
1 TxD+
2 TxD–
3 RxD+
6 RxD–
1 TxD+
2 TxD–
3 RxD+
6 RxD–
H11006
GRP