Multitech MULTI MODEM II MT5600BA - Manual (Page 49)

4 AT Commands, S-Registers, and Result Codes
43
MultiModemII User Guide
Command: \N n Error Correction Mode Selection
Values: n = 0–5
Default: 3
Description: \N0 Normal (non-error correction) mode with data buffering.
(Forces &Q6.)
\N1 Direct mode. Equivalent of &M0 and &Q0 modes. (Forces &Q0.)
\N2 V.42/MNP reliable (error-correction) mode. The modem at-
tempts first a V.42 connection and then an MNP connection.
Failure to make a reliable connection results in the modem
hanging up. (Forces &Q5, S36=4, and S48=7.)
\N3 V.42/MNP auto-reliable mode. The modem attempts first to
connect in V.42 mode, then in MNP mode, and finally in non-
error-correction mode with data buffering. (Forces &Q5, S36=7,
and S48=7.)
\N4 V.42 (LAPM) reliable mode.If the modem cannot make a V.42
connection, it disconnects. (Forces &Q5 and S48=0.) Note: The
-K1
command can override the \N4 command.
\N5 MNP reliable mode.If the modem cannot make an MNP con-
nection, it disconnects. (Forces &Q5, S36=4, and S48=128.)
Command: \V n Single Line Connect Message
Values: n = 0 or 1
Default: 0
Description: \V0 Disables single line connect message. Connect messages are
controlled by the X, W, and S95 settings.
\V1 Enables single line connect messages in the format: CONNECT
<Serial Port Speed>Modulation>Protocol>Compression>
Line Speed>/<Voice and Data>. Overrides the X, W, and S95
commands. Connect messages are displayed in the single line
format subject to the commands V and Q. In non-verbose
mode (V0), single line connect messages are disabled and a
single numeric result code is generated for CONNECT.
Command: +MS= Modulation Selection
Values:
See description.
Default: See description.
Description: This extended-format command selects modulation and, op-
tionally, enables or disables automode, specifies the lowest and
highest connection rates, selects µ-Law or A-Law codec type,
and specifies the highest transmit rate using one to five
subparameters.
The command format is
+MS=
[mod][,[automode][,[min_RX_rate][,[max_RX_rate][,[x_law]
[,[reserved][,[max_TX_rate]]]]]]]
Subparameters that are not entered retain their current value.
Commas separate optional subparameters, and should be in-
serted to skip a subparameter. Example: +MS=,0, disables
automode and keeps all other settings at their current values.
+MS? Reports current options in the format
mod,automode,min_RX_rate,max_RX_rate,x_law,reserved,max_TX_rate.
Example: 56,1,300,56000,0,0,33600.