Cisco Systems Cisco 12816 Manuale Utente
Chapter 2 Preparing for Installation
PRP Port Connection Guidelines
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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
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.
DCE device (such as a CSU/DSU or another router) to the PRP. The auxiliary port
supports hardware flow control and modem control.
lists the signals used on the auxiliary port.
Table 2-8
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