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Cisco XR 12410 User Manual

Page 79

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2-29

Cisco XR 12410 and Cisco XR 12810 Router Installation Guide

OL-17441-01

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 2-15

.

Figure 2-15

Straight-Through Cable Pinout to Hub or Repeater

When connecting two PRPs back-to-back, use the crossover cable pinout shown
in

Figure 2-16

.

Figure 2-16

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