Zoom 3035 - Manual (Page 23)

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To force different communication
speeds Type these AT commands
and press Enter
Disable both 56K and auto rate on
V.34—33600 bps AT+MS=V34,1
V.34—33600 bps AT+MS=V34,0
V.32bis—14400 bps AT+MS=V32B,0
V.32—9600 bps AT+MS=V32,0
2400 bps AT+MS=V22B,0
1200 bps AT+MS=V22,0
Notes: Some software allows these commands to be added to
the list of dial prefixes or the initialization string.
• When the protocol is forced, the modem will not attempt to
connect at other protocols if it cannot connect at the forced
protocol. It will try to connect at the fastest speed available
within the forced protocol.
• There are other configurations that can be forced. To select a
particular configuration, use the AT command strings shown
below. You can always return to the modem’s default configu-
ration by typing AT &F and pressing the Enter key.
If you do this, the modem will not receive the commands in your
software’s initialization string as it normally would. Using the ATZ
command overcomes this problem if you have saved all of your
setup parameters in nonvolatile memory.
To save setup parameters in nonvolatile memory in AT command
mode, type AT, followed by the parameter settings, then &W.
Press Enter. For example, if you type AT &C1 &D2 &W and press
Enter, the &C1 and &D2 parameter settings are stored.
To force Type command & press Enter
MNP 5/MNP 4 operation AT \N5
LAPM only (V.42) AT \N4
MNP 4 only AT \N5%C0
V.42bis data compression AT+DCS=1,0
V.44 data compression only AT+DCS=0,1
Auto-answer AT S0=1