Cisco Systems XR 12410 manual PRP Auxiliary Port Signals, Cts

Chapter 2 Preparing for Installation

PRP Port Connection Guidelines

PRP Auxiliary Port Signals

The PRP auxiliary port is a DTE, RJ-45 interface for connecting a modem or other DCE device (such as a CSU/DSU or another router) to the PRP. The auxiliary port supports hardware flow control and modem control.

Table 2-2lists the signals used on the auxiliary port.

Table 2-2	PRP Auxiliary Port Signals
Auxiliary Port Pin		Signal	Input/Output	Description
1		RTS	Output	Request to send
2		DTR	Output	Data terminal ready
3		TxD	Output	Transmit data
4		GND	—	Signal ground
5		GND	—	Signal ground
6		RxD	Input	Receive data
7		DSR	Input	Data set ready
8		CTS	Input	Clear to send

	Cisco XR 12410 Router Installation Guide
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