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CiscoXR 12406 Router Installation Guide
OL-13831-01
Chapter3 Installing the Cisco XR 12 406 Router
Connecting to the Console and Auxiliary Ports
Note The console and auxiliary ports are both asynchronous serial ports; any devices
connected to these ports must be capable of asynchronous transmission.
Asynchronous is the most common type of serial device; for example, mos t
modems are asynchronous devices.
PRP Console Port Signals
The console port on the PRP is a DCE RJ-45 receptacle. Table 3-1 lists the
signal-to-pin correspondence for the PRP console port.
PRP Auxiliary Port Signals
The auxiliary port on the PRP is a DTE, RJ-45 plug for connecting a modem or
other DCE device (such as a CSU/DSU or another router) to the router. The port
is labeled AUX, as shown in Figure 3-8. The asynchronous auxiliary port supports
hardware flow control and modem control. Table 3-2 lists the signal-to-pin
correspondence for the PRP auxiliary port.
Table3-1 PRP Console Port Signals
Console Port Pin Signal Input/Output Description
11
1. These pins are not connected.
—— —
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
81—— —