Cisco Systems OL-11497-03 manual Pin Out Input/Output Description Code, Col, Crs, Mdio

Chapter 3 Installing the Router

Connecting to the Console and Auxiliary Ports

Table 3-5	Ethernet MII Pin Configuration (continued)
Pin1	In	Out	Input/Output	Description	Code
9	Yes	–	–	Receive Clock	Rx_CLK
10	Yes	–	–	Receive Error	Rx_ER
8	Yes	–	–	Receive Data Valid	Rx_DV
18	Yes	–	–	Collision	COL
19	Yes	–	–	Carrier Sense	CRS
2	–	–	Yes	MII Data	MDIO
				Input/Output
22 to 39	–	–	–	Common	Ground
1, 20, 21, 40	–	–	–	+5.0 V	V

1.Unlisted pins are not used.

2.Tx_CLK and Rx_CLK are provided by the external transceiver.

Figure 3-13shows the pin configuration on the Ethernet RJ-45 receptacle on the GRP. Table 3-6lists the signal-to-pin correspondence for the Ethernet RJ-45 receptacle on the GRP.

Figure 3-13 Ethernet RJ-45 Receptacle

87654321

RJ-45 connector

H2936

Table 3-6 Ethernet RJ-45 Receptacle Pin Configuration

Pin Signal

1TX+

2TX–

3RX+

	Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
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