Multitech MTSGSM, User Manual

Page: 34 / 81

MultiMobile SoftGSM User Guide
MTSGSM 34
&R RTS/CTS options
Syntax AT&Rn where n is as follows.
Description The AT&R command controls how the modem will handle CTS in synchronous mode.
This value is stored in S-register 21 bit 2.
AT&R0 CTS follows RTS when the modem is in data mode.
AT&R1 RTS is ignored. CTS is on. This is the default.
&C Data carrier detect (DCD) options
Syntax AT&Cn where n is as follows.
Description The AT&C command specifies carrier detect (DCD) handling. This value is stored in
S-register 21 bit 5.
AT&C0 DCD is always on.
AT&C1 DCD follows the state of carrier (default).
&S DSR options
Syntax AT&Sn where n is as follows.
Description The AT&S command specifies carrier detect (DCD) handling. This value is stored in
S-register 21 bit 6.
AT&S0 DSR is always on. This is the default.
AT&S1 DSR will become active at start of handshaking. DSR will become inactive
when carrier has been lost.
&D DTR options
Syntax AT&Dn where n is as follows.
Description The AT&D command specifies the response to the DTR from the DTE.
AT&D0 Modem ignores DTR.
AT&D2 Modem disconnects and returns OK on loss of DTR (default).
Fax AT Commands
AT+F Fax commands
MultiMobile SoftGSM supports all Class 1 Fax commands.