Datasheet

INSYS Modem 336/56k 4.1 (UL) AT Command Set
Command Description
AT+MR=<n> Show modulation type
The command AT+MR=<n> enables the display of the modulation type after the message
CONNECT
AT+MR=0 Switches the display function OFF (default).
AT+MR=1 Switches the display function ON. The displayed value applies to the
sent data.
AT+MR=2 Switches the display function ON. The displayed value applies to the
received data.
If the display function is switched on the modem will display the modulation type and
the line speed after the message CONNECT. After the message CONNECT, the line
„+MCR:” appears, “ followed by the modulation type (see command AT+MS) and the line
“+MRR:”, followed by the line speed.
Note: The AT+MR command is useful for a connection check.
AT+MS=<Modu
lation>,
[Automode],
[Send Min-
baud, Send
Maxbaud],
[Receive
Minbaud,
Receive Max-
baud]
Select modulation type
AT+MS determines the modulation type. The command enables or disables automatic
modulation recognition and defines the highest and lowest possible connection speed.
The command has the format AT+MS=<Modulation>, [Automode], [Send Min-
baud, Send Maxbaud], [Receive Minbaud, Receive Maxbaud]
AT+MS? Shows the current setting
AT+MS=? Displays a list of possible parameters
Default factory setting:
INSYS Modem 56k V92
INSYS Modem 336 V34
Parameter modulation:
The modulation parameter determines the preferred (automode = 1) or the mandatory
(automode = 0) modulation type.
The following values are available:
V21 V.21 300
V22 V.22 1200
V22B V.22bis 2400 or 1200
V23C V.23 1200
V32 V.32 9600 or 4800
V32B V.32bis 14400, 12000, 9600, 7200 or 4800
V34 V.34 33600, 31200, 28800, 26400, 24000, 21600,
19200, 16800, 14400, 12000, 9600, 7200, 4800 or
2400
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