Manual

Chapter 3 Installing the Router

Connecting the PRP to an Ethernet Network

3-23

Cisco XR 12404 Router Installation Guide

OL-13830-02

Figure 3-16 Straight-Through Cable Pinout—Connecting MDI Ethernet Port

to MDI-X Wiring

Figure 3-17 Crossover Cable Pinout (for Connecting Two PRPs)

Table 3-4 lists the cabling specifications for 100-Mbps transmission over

unshielded twisted-pair (UTP) cables.

Note The transmission speed of the Ethernet ports is auto-sensing by default and is user

configurable.

MDI-X wiringMDI 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

Ta b l e 3-4 Specifications and Connection Limits for 100-Mbps

Transmission

Parameter RJ-45

Cable specification Category 5

UTP, 22 to 24 AWG

1. EIA/TIA-568 or EIA-TIA-568 TSB-36 compliant. Not supplied by Cisco.

2. AWG = American Wire Gauge. This gauge is specified by the EIA/TIA-568 standard.

Cable length (max) —

Segment length (max) 328 feet (100 m) for 100BASE-TX

Network length (max) 656 feet (200 m)

(with 1 repeater)

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