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2-40 INSTALLATION AND SETUP
MON2000
Modem Initialization Strings/Setup JULY 2010
GVC/MaxTech 28.8 Kbps Modem
The following setup for GVC 28.8 Kbps
external Voice/Data/FAX modems was verified
at Daniel Canada. At the GC Controller:
Or
AT&F5 Factory default with v.42bis flow control
disabled (must be first).
ATB8 9600 baud
ATB11 19200 baud
AT&D0 Modem ignores DTR (not necessary if using a
cable that incorporates the DTR signal from
the Controller).
ATM0 Turn OFF speaker.
ATS0=n n is number of rings for auto answer (e.g.,
ATS0=1, ATS0=2, etc.).
AT&C0 Force carrier detect high
AT%C0 Turn OFF compression.
AT&W0 Write to stored profile “0” (zero).
AT&Y0 Use stored profile “0” (zero) when turned on.
To make these settings for the modem at the GC Controller,
you will need to use a terminal program (such as ProComm o
other commercial modem software) to input the “AT”
commands to the modem before connecting it to the GC
Controller.
If compression is turned ON with AT%C1,
or OFF with AT%C0, then the modem at
other end should match.