Comtrol RM-4 - Manual (Page 10)

10 - RocketModem IV: 2000468 Rev. A Hardware Installation and Specifications
+MS Command Supported Rates
AT+MS Select / Force Modulation – This command is useful if you require to limit
the modem to specific modulations or line speeds. This extended format controls
the manner of operation of the modulation capabilities in the modem. It accepts
six sub-parameters. Syntax AT+MS=
,,,,,te>
To read the current settings enter: AT+MS?
A typical response would be: +MS: V90,1,300,33600,300,56000
Meaning: V.90 modulation, <1> Automode enabled, <300> min_tx_rate,
<33600> max_tx_rate, <300> min_rx_rate, <56000> max_rx_rate.
+MS Command
Supported Rates
option parameters
0=Auto-mode disabled – Fixed Modulation
1=Auto-mode enabled – Automatically selected speed and modulation (default).
-STE=n - Set Telephone Extension Option – This command enables / disables
“Line-In-Use” and “Extension Pickup” options.
If the line is in use and the modem issues an “ATDT” command to dial out, the
modem will not go off hook and will display “LINE-IN-USE” result code. If the
modem is off hook and the Extension is picked up, the modem will drop the
connection.
Modulation Carrier
Possible Minimum, Maximum, Receive
and Transmit Rates
Bell 103 B103 300
Bell 212 B212 1200
V.21 V21 300
V.22 V22 1200
V.22bis V22B 2400 or 1200
V.23 V23C 1200rx /75tx or 75rx/1200tx
V.32 V32 9600 or 4800
V.32bis V32B 14400, 12000, 9600, 7200, or 4800
V.34 V34
33600, 31200, 28800, 26400, 19200, 16800,
14400, 12000, 9600, 7200, 4800, or 2400
V.90 V90
56000, 54667, 53333, 52000, 50667, 49333,
48000, 46667, 45333, 42667, 41333, 40000,
38667, 37333, 36000, 34667, 33333, 32000,
30667, 29333, 28000
V.92
downstream
V92
56000, 54667, 53333, 52000, 50667, 49333,
48000, 46667, 45333, 44000, 42667, 41333,
40000, 38667, 37333, 36000, 34667, 33333,
32000, 30667, 29333, 28000
V92 upstream V92
48000, 46667, 45333, 44000, 42667, 41333,
40000, 38667, 37333, 36000, 34667, 33333,
32000, 30667, 29333, 28000, 26667, 25333,
24000
-STE=n Value Extension Pickup Line-In-Use
0 (default) Disabled Disabled
1 Disabled Enabled
2 Enabled Disabled
3 Enabled Enabled