Chapter3 Installing the Router
Connecting to the Console and Auxiliary Ports
3-28
Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
OL-11497-03
Depending on your RJ-45 cabling requirements, use the connector pinouts shown
in Figure 3-16 or Figure 3-17.
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)
Tabl e 3-8 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.
6 RxD– Receive data –
7 Termination Network No connection
8 Termination Network No connection
Table3-7 PRP RJ-45 Ethernet Receptacle Pinout (continued)
Ethernet Port Pin Signal Description
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