Owner's manual

3-25
Cisco XR 12406 Router Installation Guide
OL-13831-01
Chapter 3 Installing the Cisco XR 12406 Router
Connecting the PRP to an Ethernet Network
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
1
UTP, 22 to 24 AWG
2
1. EIA/TIA-568- or EIA-TIA-568 TSB-36-compliant. Not supplied by Cisco.
Cable length (max) —
Segment length (max) 328 feet (100 m) for 100BASE-TX
Network length (max) 656 feet (200 m)
3
(with 1 repeater)