Cisco 12008, Installation And Configuration Manual, Page: 158 / 382

Connecting Route Processor Cables
Cisco 12008 Gigabit Switch Router Installation and Configuration Guide 3-26
Table 3-4 Ethernet RJ-45 Pinout
Figure 3-10 shows the pin orientation of the female RJ-45 receptacle on the Ethernet port.
8 Yes – – Receive Data Valid (Rx_DV)
18 Yes – – Collision (COL)
19 Yes – – Carrier Sense (CRS)
2 – – Yes MII Data Input/Output (MDIO)
22–39 – – – Common (ground)
1, 20, 21, 40 – – – +5.0 volts (V)
1. Any pins not indicated are not used.
2. Tx_CLK and Rx_CLK are provided by the external transceiver.
Pin Signal
1 TX+
2 TX–
3 RX+
4 Termination Network
5 Termination Network
6 RX–
7 Termination Network
8 Termination Network
Table 3-3 Ethernet MII Pinout (Continued)
Pin
1
In Out Input/Output Description