Multi-Tech Systems 7500 - Manual (Page 288)

AT Commands for the Conexant Modem ION 7500 / ION 7600 User’s Guide
Page 288 Modem AT Commands Technical Note
AT+MS Commands Select Modulation
Selects the modulation; enables or disables auto-mode; specifies the lowest and
highest connection rates; selects m-Law or A-Law codec type, and enables or
disables robbed bit signaling generation (server modem) or detection (client
modem).
+MS= <Mod> [,[<Automode>] [,[<Min_Rate>] [,[<Max_Rate>] [,[<X_Law>]
[,[< Rb_Signaling>]]]]]] <CR>
AT+MS=? Send a string of information to the DTE consisting of supported
options
\Nn Operating Mode
AT\N0 Normal speed buffered mode
AT\N1 Serial interface
AT\N2
Reliable (error-correction)
mode
AT\N3 Auto reliable mode
AT\N4 LAPM error-correction mode
AT\N5 MNP error-correction mode
<mod> Modulation Possible Rates (bps)
0 V.21 300
1 V.22 1200
2 V.22 bis 2400, 1200
3 V.23 1200
9 V.32 9600, 4800
10 V.32 bis 14400, 12000, 9600, 7200, 4800
11 V.34
33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800,
14400, 12000, 9600, 7200, 4800, 2400
64 Bell103 300
69 Bell212 1200
Command Group Members Description