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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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VOICE SAMPLING RATE
Type: Configuration
Format: AT [cmds] #VSR=n [cmds]
Description: Sets the sampling rate used when recording voice signals.
Command Function
#VSR=7200Selects a sampling rate of 7.2KHz.
     #VSR=8000 Selects a sampling rate of 8KHz.
     #VSR=11025 Selects a sampling rate of 11.025KHz in PCM encoding only.

VOICE SILENCE DETECTION TIME
Type: Configuration
Format: AT [cmds] #VSP=n [cmds]
Default: Unidentified
Range: 0 - 255
Unit: .1 second
Description: Sets the minimum amount of silence that the modem will detect.

VOICE SILENCE DETECTION THRESHOLD
Type: Configuration
Format: AT [cmds] #VSS=n [cmds]
Description: Sets the threshold of sensitivity that the modem uses to determine silence detection.
Command Function
#VSS=0 Silence detection disabled.
#VSS=1 Minimum silence detection sensitivity.
#VSS=2 Standard silence detection sensitivity.
#VSS=3 Maximum silence detection sensitivity.

VOICE TIMING MARK
Type: Configuration
Format: AT [cmds] #VTM=n [cmds]
Description: Configures timing mark placement.
Command Function
#VTM=0 Timing marks disabled.
#VTM=1 Timing marks enabled.

VOICE TRANSMISSION LEVEL
Type: Configuration
Format: AT [cmds] #TL=hhhh [cmds]
Default: 3FFF
Range: 0000 - 7FFF
Unit: Unidentified (hexadecimal)
Description: Sets the transmission level for sending audio in voice mode.

VOICE TRANSMIT
Type: Immediate
Format: AT [cmds] #VTX
Description: Commands the modem to begin transmitting voice data.

VOICE VOLUME LEVEL
Type: Configuration
Format: AT [cmds] #VGT=n [cmds]
Description: Sets the volume level when playing back audio signals.
Command Function
     #VGT=128 Low volume setting.
#VGT=129Medium volume setting.
     #VGT=130 High volume setting.
     #VGT=131 Highest volume setting.

MULTI-TECH SYSTEMS, INC.

MT5634ZDXV

Card Type Modem (asynchronous)
Chipset Unidentified
I/O Options Voice, speakerphone
Maximum Data Rate 56Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103J, 113, 212A
ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34
AT&T V.32terbo
Rockwell K56flex
Fax Modulation ITU-T V.17, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class Class I & II
Data Bus Serial

CONNECTIONS
Function Label Function Label
Telephone line out CN1 Serial port CN3
Telephone line in CN2 DC power in CN4

DIAGNOSTIC LED(S)
LED Color Status Condition
TD Unidentified On Modem is transmitting data
TD Unidentified Off Modem is not transmitting data
RD Unidentified On Modem is receiving data
RD Unidentified Off Modem is not receiving data
CD Unidentified On Carrier signal detected
CD Unidentified Off Carrier signal not detected
56 Unidentified On Modem connected with the K56flex protocol
56 Unidentified Off Modem not connected with the K56flex protocol
28 Unidentified On Modem connected with the V.34 protocol
28 Unidentified Off Modem not connected with the V.34 protocol
14 Unidentified On Modem connected with the V.32bis protocol
14 Unidentified Off Modem not connected with the V.32bis protocol
OH Unidentified On Modem is off-hook
OH Unidentified Off Modem is on-hook
TR Unidentified On DTR signal is high
TR Unidentified Off DTR signal is low
EC Unidentified On Error correction enabled
EC Unidentified Blinking Error correction activated
EC Unidentified Off Error correction disabled
FX Unidentified On Modem is connected in FAX mode
FX Unidentified Off Modem is not connected in FAX mode


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