Router Installation Guide

3-22
Cisco XR 12404 Router Installation Guide
OL-13830-02
Chapter 3 Installing the Router
Connecting the PRP to an Ethernet Network
Figure 3-13 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.
PRP
1 TxD+
2 TxD–
3 RxD+
6 RxD–
1 TxD+
2 TxD–
3 RxD+
6 RxD–
75431
PRP
Table 3-4 Specifications and Connection Limits for 100-Mbps
Tr a n s m i s s i o n
Parameter RJ-45
Cable specification Category 5
1
UTP, 22 to 24 AWG
2
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)
3
(with 1 repeater)
3. This length is specifically between any two stations on a repeated segment.
todd.book Page 22 Tuesday, July 24, 2007 3:54 PM