Technical data

Installing and Operating BayStack ARN/DC Routers

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116273-B Rev 00

Table 1-6 provides the default settings for both back-panel Modem interfaces.

Connecting an External Modem

To connect a modem to the ARN/DC back-panel Modem interface, you need an

AT compatible (or Hayes compatible) modem and the cable included in the

ARN/DC console/modem cable kit (Order No. 110307).

Complete the following steps:

Configure the modem, using the parameters in Table 1-6 and the

instructions in the modem documentation.

Turn off the modem.

Table 1-6. Console Modem Defaults

Modem Signal Value

Clear to send (CTS) On

Data terminal ready (DTR) Set to answer all incoming calls.

Data carrier detect (DCD) or

Received Line Signal Detection

(RLSD)

On while carrier is present. The ARN/DC uses

DCD to detect modem connect and disconnect.

Data set ready (DSR) On

Ready to send (RTS) Ignored

Synchronous/asynchronous mode Asynchronous

AutoAnswer Answer on two rings when DTR is active.

Local character echo Off

Supervisory functions Off

Baud rate 9600

Data bits 8

Stop bits 1

Parity None

Note:

Do not use the null modem crossover adapter (Order No. 110308)

included in the ARN/DC cable kit to connect to a modem.