Cisco Systems XR 12406 manual Parameter RJ-45

Chapter 3 Installing the Cisco XR 12406 Router

Connecting the PRP to an Ethernet Network

Figure 3-13

PRP

1TxD+

2TxD–

3RxD+

6RxD–

Crossover Cable Pinout for Connecting Two PRPs

PRP

1 TxD+

2 TxD–

3 RxD+	75431
6 RxD–

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.

Table 3-4	Specifications and Connection Limits for 100-Mbps
	Transmission
Parameter		RJ-45
Cable specification		Category 51 UTP, 22 to 24 AWG2
Cable length (max)		—
Segment length (max)		328 feet (100 m) for 100BASE-TX
Network length (max)		656 feet (200 m)3 (with 1 repeater)

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.

3.This length is specifically between any two stations on a repeated segment.

	Cisco XR 12406 Router Installation Guide
OL-13831-01		3-23