Cisco Systems 12006, 12406 manual Crossover Cable Pinout for Connecting Two PRPs

Chapter 3 Installing the Router

Connecting to the Console and Auxiliary Ports

Table 3-7	PRP RJ-45 Ethernet Receptacle Pinout (continued)
Ethernet Port Pin		Signal	Description
6		RxD–	Receive data –
7		Termination Network	No connection
8		Termination Network	No connection

Depending on your RJ-45 cabling requirements, use the connector pinouts shown in Figure 3-16or Figure 3-17.

Figure 3-16

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 3-17

PRP

1TxD+

2TxD–

3RxD+

6RxD–

Crossover Cable Pinout (for Connecting Two PRPs)

PRP

1 TxD+

2 TxD–

3 RxD+	75431
6 RxD–

Table 3-8lists 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.

	Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
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