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Micro House PC Hardware Library Volume II: Network Interface Cards And Modems Micro House PC Hardware Library Volume II: Network Interface Cards And Modems
by Micro House International, Inc. and Scott Mueller
Que, Macmillan Computer Publishing
ISBN: 078971664x   Pub Date: 06/17/98
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DISPLAY INFORMATION
Type: Immediate
Format: AT [cmds] In [cmds]
Description: Displays information requested about the modem.
Command Function
I0 Displays product identification code.
I1 Displays ROM checksum.
I2 Tests and displays ROM checksum result.
I3 Displays firmware revision, model, and interface.
I4 Displays product name.
I5 Displays country code.
I6 Displays data pump model and revision.

DISTINCTIVE RING
Format: AT [cmds] -SDR=n [cmds]
Default: Unidentified
Range: 0 - 7
Description: Selects which distinctive ring signals the modem will respond to.
Bit Value Function
0 0 Do not respond to distinctive ring type 1.
1 Respond to distinctive ring type 1.
1 0 Do not respond to distinctive ring type 2.
1 Respond to distinctive ring type 2.
2 0 Do not respond to distinctive ring type 3.
1 Respond to distinctive ring type 3.

MODE SELECTION
Type: Immediate
Format: AT [cmds] #CLS=n [cmds]
Description: Selects which mode the modem will operate in.
Command Function
#CLS=0 Modem will operate in data mode.
#CLS=1 Modem will operate in fax class 1 mode.
#CLS=8 Modem will operate in voice mode.

RPI CONFIGURATION
Type: Configuration
Format: AT [cmds] +Hn [cmds]
Description: Configures the Rockwell Protocol Interface.
Command Function
+H0 RPI disabled.
+H1 RPI enabled and local serial port speed set to 19.2Kbps.
+H2 RPI enabled and local serial port speed set to 38.4Kbps.
+H3 RPI enabled and local serial port speed set to 57.6Kbps.
+H11 RPI+ enabled.

SPEAKERPHONE OPTIONS
Type: Configuration
Format: AT [cmds] #SPK=x,y,z [cmds]
Description: Sets various options for speakerphone functions.
Command Function
x=0 Microphone enabled.
x=1 Microphone disabled.
x=2 Microphone enabled with maximum gain, speaker disabled.
y Default: 5
Range: 0-16
Unit: -2 dBm
Description: Sets the attenuation level for speaker output in voice mode. A value of 16 will mute the speaker.
z=0 Microphone gain set to 0 dBm.
z=1 Microphone gain set to 6 dBm.
z=2 Microphone gain set to 9.5 dBm.
z=3 Microphone gain set to 12 dBm.

TONE DETECTION
Format: AT [cmds] #VTD=x,y,z [cmds]
Default: x,y,z 63
Range: 0 - 63
Description: Sets which tones the tone detection will report.
Note: The value of x sets the tone detection modes in voice transmit mode, y sets them in voice receive mode, and z sets them in voice command mode.
Bit Value Function
0 0 DTMF tones are not detected.
1DTMF tones are detected.
1 0 V.25 1300Hz calling tone is not detected.
1V.25 1300Hz calling tone is detected.
2 0 T.30 1100Hz fax tone is not detected.
1T.30 1100Hz fax tone is detected.
3 0 V.25/T.30 2100Hz answer tone is not detected.
1V.25/T.30 2100Hz answer tone is detected.
4 0 Bell 2225Hz answer tone is not detected.
1Bell 2225Hz answer tone is detected.
5 0 Call progress tones are not detected.
1Call progress tones are detected.

TONE GENERATOR - DIRECT ENTRY
Type: Immediate
Format: AT [cmds] #VTS=[m, n, x]
Range: m 200-3000, n 200-3000, x 0-255
Unit: m 1 Hz, n 1 Hz, x .1 second
Description: Generates a dual-frequency tone for duration x at frequencies m and n.


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