Cisco Systems Cisco 12006, Cisco 12406 manual Rts, Cts, Ring

Chapter 3 Installing the Router

Connecting to the Console and Auxiliary Ports

Table 3-2		GRP Auxiliary Port Signals
Pin	Signal		Input/Output	Description
1	Signal		–	Signal Ground
	Ground
2	TxD		Input	Transmit Data
3	RxD		Output	Receive Data
4	RTS		Input	Request To Send (used for hardware flow
				control)
5	CTS		Output	Clear To Send (used for hardware flow
				control)
6	DSR		Output	Data Set Ready
7	Signal		–	Signal Ground
	Ground
8	CD		Output	Carrier Detect (used for modem control)
20	DTR		Input	Data Terminal Ready (used for modem
				control only)
22	RING		Output	Ring

	Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
OL-11497-03		3-17