Cisco Systems CISCO7201 manual Console Port and Auxiliary Port Signals and Pinouts

Appendix A Specifications

Console Port and Auxiliary Port Signals and Pinouts

Console Port and Auxiliary Port Signals and Pinouts

Note The console cable kit product number is ACS-2500ASYN.

The Cisco 7201 router does not support Data Carrier Detect (DCD).

			Table A-13		Console Port Signals
			Pin	Signal			Direction	Description
		1		CTS			Out	Clear to Send (tied to pin 8)
		2		DSR			Out	Data Set Ready
		3		RXD			Out	Receive Data
		4		GND			—	Signal Ground
		5		GND			—	Signal Ground
		6		TXD			In	Transmit Data
		7		DTR			In	Data Terminal Ready
		8		RTS			In	Ready to Send (tied to pin 1)
			Table A-14lists the RJ-45 auxiliary port signals.
Table A-14		Auxiliary Port Signals
Pin	Signal			Direction		Description
1	RTS			Out		Ready to Send
2	DTR			Out		Data Terminal Ready
3	TXD			Out		Transmit Data
4	RING1			In		Ring Indication
5	GND			—		Signal Ground
6	RXD			In		Receive Data
72	DSR/DCD (RLSD)			In		Data Set Ready/Data Carrier Detect (Receive Line Signal Detect)
8	CTS			In		Clear to Send (tracks RTS)

1.RING is not supported on Cisco-supplied adapters. To use this pin, you must create a customized cable.

2.Pin 7 can be used as a DCD input for connection to a modem. The RJ-45-to-DB-25F adapter maps DCD to this pin when used with a straight-through cable.

	Cisco 7201 Installation and Configuration Guide
A-10	OL-11364-04