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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
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Chapter 2 Preparing for Installation
PRP Port Connection Guidelines
When connecting the RJ-45 port to a hub or repeater, use the straight-through
cable pinout shown in
Figure 2-23
.
Figure 2-23 Straight-Through Cable Pinout to Hub or Repeater
When connecting two PRPs back-to-back, use the crossover cable pinout shown
in
Figure 2-24
.
Figure 2-24 Crossover Cable Pinout Between PRPs
MDI-X wiring
MDI wiring
1 TxD+
2 TxD–
3 RxD+
6 RxD–
1 RxD+
2 RxD–
3 TxD+
6 TxD–
H11007
PRP
1 TxD+
2 TxD–
3 RxD+
6 RxD–
1 TxD+
2 TxD–
3 RxD+
6 RxD–
75431
PRP