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COMSPHERE 3800 Series Modems – Model 3830
3-2 August 1998 3830-A2-GB91-30
• You must have configured your modem according to the
specifications of your fax software manual. For example:
– Some fax software requires that the modem have
Auto-Answer disabled. You can set this with the ATS0=0
command.
– Some fax software requires that the modem use software
flow control. You can set this with the AT\Q1 command.
– DTR Action should be set for standard EIA-232-D operation.
Use the AT&D2 command.
– LSD (Line Signal Detect) Control should be set for standard
EIA-232-D operation. Use the AT&C1 command.
– Data should be buffered during Error Control (EC)
negotiation. Use the AT/C1 command.
If your fax software requires that you change the configuration of your
modem, see the appropriate sections of Chapter 4, AT Commands and
S-Registers.
Your fax software uses AT commands to tell the modem what to do.
You do not have to issue AT commands yourself, unless you use AT
commands to configure the modem.
For more information about fax operation, see the manual that came
with your fax software.