Configuring An External Modem - Paradyne FrameSaver FLEX 9123 User Manual

Configuring an External Modem

Procedure
To configure an external modem:
9123-A2-GB20-20
1. Disconnect the asynchronous terminal from the standard cable. See
EIA-232-D Crossover Cable
connection.
2. Reconnect the crossover cable to the external modem.
3. Enable auto-answer on your modem, and configure it to use the following LSD,
DSR, CTS, RTS, and DTR control leads.
See the table below for AT D0 command strings. Use the following command
string:
AT &C0 &D2 &S0 &R1 \D0 S0=1
AT Command String
&C0
&D2
&S0
&R1
\D0
S0=1
August 2001
C. Connectors, Cables, and Pin Assignments
on page C-4 for an illustration of the COM Port
To configure the modem to . . .
Force LSD on.
Drop the connection when the unit drops DTR.
Force DSR on.
Ignore RTS.
Force CTS on.
Automatically answer incoming calls.
Standard
C-5