Cisco Systems Cisco 12008 manual Crossover Cable Pinout for Connecting Two PRPs

Connecting Route Processor Cables

Depending on your RJ-45 cabling requirements, use the cable pinouts shown in Figure 3- 14 or Figure 3-15.

Figure 3-14

MDI wiring

1TxD+

2TxD–

3RxD+

6RxD–

Straight-Through Cable Pinout (Connecting MDI Ethernet Port to MDI-X Wiring)

MDI-X wiring

1 RxD+

2 RxD–

6 TxD–	H11007
3 TxD+

Figure 3-15

PRP

1TxD+

2TxD–

3RxD+

6RxD–

Crossover Cable Pinout (for Connecting Two PRPs)

PRP

1 TxD+

2 TxD–

3 RxD+	75431
6 RxD–

Table 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.

Installing a Cisco 12008 3-33