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DATA/FAX MODEM 28.8 V.34
WISECOM, INC.
DATA/FAX MODEM 28.8 V.34
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Card Type
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Fax, Modem (asynchronous)
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Chip Set
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Unidentified
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Maximum Data Rate
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28.8Kbps
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Maximum Fax Rate
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14.4Kbps
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Data Bus
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8-bit ISA
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Fax Class
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Class I & II
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Data Modulation Protocol
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Bell 103A/212A
ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34
Rockwell V.FC
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Fax Modulation Protocol
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ITU-T V.17, V.21CH2, V.27ter, V.29
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Error Correction/Compression
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MNP5, V.42, V.42bis
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CONNECTIONS
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Function
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Label
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Function
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Label
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Line in
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CN1
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Line out
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CN2
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SERIAL PORT ADDRESS
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Setting
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JP8/1
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JP8/2
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COM1 (3F8h)
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Pins 1 & 2 closed
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Pins 1 & 2 closed
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COM2 (2F8h)
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Pins 2 & 3 closed
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Pins 1 & 2 closed
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COM3 (3E8h)
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Pins 1 & 2 closed
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Pins 2 & 3 closed
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í COM4 (2E8h)
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Pins 2 & 3 closed
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Pins 2 & 3 closed
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INTERRUPT
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Setting
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JP8/3
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JP8/4
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JP8/5
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JP8/6
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2
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Closed
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Open
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Open
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Open
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í 3
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Open
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Closed
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Open
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Open
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4
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Open
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Open
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Closed
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Open
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5
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Open
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Open
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Open
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Closed
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Proprietary AT Command Set
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AUTO-RETRAIN - FALLBACK/FALLFORWARD
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Type:
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Configuration
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Format:
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AT [cmds] %En [cmds]
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Description:
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Controls auto-retrain mode and fallback/fall forward
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Command
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Function
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%E0
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Auto-retrain disabled
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%E1
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Auto-retrain enabled
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í %E2
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Fallback/fall forward enabled
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BIT MAPPED REGISTERS
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Register
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Default
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S14
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Unidentified
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S16
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0
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S21
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Unidentified
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S22
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Unidentified
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S23
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Unidentified
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S27
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Unidentified
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S31
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Unidentified
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S39
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3
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S40
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105
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S41
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3
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BREAK SEND
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Type:
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Configuration
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Format:
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AT [cmds] \Bn [cmds]
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Default:
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3
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Range:
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0-9
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Unit:
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.1 second
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Description:
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Sends break to modem
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BREAK TYPE
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Type
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Configuration
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Format
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AT [cmds] \Kn [cmds]
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Default
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5
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Range
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0-5
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Description
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Configures action of break signal
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COMPRESSION
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Type:
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Configuration
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Format:
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AT [cmds] %Cn [cmds]
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Description:
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Selects data compression
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Command
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Function
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%C0
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Data compression disabled
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%C1
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MNP5 enabled
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%C2
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V.42bis enabled
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í %C3
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MNP5 and V.42bis enabled
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CONNECT MODE
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Type:
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Configuration
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Format:
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AT [cmds] \Nn [cmds]
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Description:
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Sets connect mode
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Command
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Function
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\N0
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Normal mode enabled
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\N1
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Direct mode only enabled
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\N2
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V.42 and MNP mode enabled
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í \N3
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V.42, MNP, or Normal mode enabled
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\N4
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V.42 mode only enabled
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\N5
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MNP mode only enabled
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DISPLAYS LINE SIGNAL LEVEL
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Type:
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Immediate
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Format:
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AT [cmds] %L [cmds]
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Description:
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Displays received line signal level
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DISPLAYS LINE SIGNAL QUALITY
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Type:
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Immediate
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Format:
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AT [cmds] %Q [cmds]
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Description:
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Displays line signal quality
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FAX TRANSMIT LEVEL
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Type:
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Register
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Format:
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AT [cmds] S92=n [cmds]
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Default:
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10
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Range:
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0-15
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Unit:
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-1dBm
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Description:
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Controls fax transmission level
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FLASH DIAL MODIFIER TIME
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Type:
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Register
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Format
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AT [cmds] S29=n [cmds]
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Default:
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0
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Range:
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0-255
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Unit:
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.01 seconds
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Description:
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Time the modem will go on-hook upon receiving the ! dial modifier in dial string.
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FLOW CONTROL
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Type:
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Configuration
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Format:
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AT [cmds] \Gn [cmds]
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Description:
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Selects modem port flow control
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Command
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Function
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í \G0
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Flow control disabled
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\G1
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Flow control enabled
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FLOW CONTROL CHARACTER - XOFF
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Type:
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Register
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Format:
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AT [cmds] S33=n [cmds]
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Default:
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19
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Range:
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0-255
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Unit:
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ASCII
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Description:
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Sets the character used to represent XOFF
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FLOW CONTROL CHARACTER - XON
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Type:
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Register
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Format:
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AT [cmds] S32=n [cmds]
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Default:
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17
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Range:
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0-255
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Unit:
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ASCII
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Description:
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Sets the character used to represent XON
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MAXIMUM BLOCK SIZE FOR TRANSMISSION
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Type:
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Configuration
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Format:
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AT [cmds] \An [cmds]
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Description:
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Sets the maximum transmittable block size
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Command
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Function
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\A0
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MNP block size is 64 characters
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\A1
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MNP block size is 128 characters
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\A2
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MNP block size is 192 characters
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í \A3
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MNP block size is 256 characters
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MODULATION SELECTION
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Type:
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Configuration
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Format:
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AT [cmds] +MS=xx,y,zzz,aaa [cmds]
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Description:
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Sets options for active protocol. The transfer rates specified by z and a must be valid for the protocol selected.
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Command
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Function
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x=0
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V.21
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x=1
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V.22
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x=2
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V.22bis
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x=3
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V.23
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x=9
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V.32
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x=10
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V.32bis
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í x=11
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V.34
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x=64
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Bell 103A
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x=69
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Bell 212A
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x=74
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V.FC
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y =0
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Automode disabled
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í y=1
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Automode enabled with V.8 or V.32
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z, a=300
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Set minimum or maximum transfer rate at 300bps, respectively.
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z, a =1200
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Set minimum or maximum transfer rate at 1200bps, respectively.
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z, a =2400
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Set minimum or maximum transfer rate at 2400bps, respectively.
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z, a =4800
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Set minimum or maximum transfer rate at 4800bps, respectively.
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z, a =7200
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Set minimum or maximum transfer rate at 7200bps, respectively.
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z, a =9600
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Set minimum or maximum transfer rate at 9600bps, respectively.
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z, a =12000
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Set minimum or maximum transfer rate at 12000bps, respectively.
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z, a =14400
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Set minimum or maximum transfer rate at 14400bps, respectively.
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z, a =16800
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Set minimum or maximum transfer rate at 16800bps, respectively.
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z, a =19200
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Set minimum or maximum transfer rate at 19200bps, respectively.
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z, a =21600
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Set minimum or maximum transfer rate at 21600bps, respectively.
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z, a =24000
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Set minimum or maximum transfer rate at 24000bps, respectively.
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z, a =26400
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Set minimum or maximum transfer rate at 26400bps, respectively.
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z, a =28800
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Set minimum or maximum transfer rate at 28800bps, respectively.
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MODULATION SELECTION DISPLAY
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Type:
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Immediate
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Format:
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AT [cmds] +MS? [cmds]
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Description:
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Displays modulation, automode, minimum rate and maximum rate settings
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SLEEP TIMER
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Type:
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Register
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Format
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AT [cmds] S24=n [cmds]
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Default:
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0
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Range:
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0-255
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Unit:
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1 second
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Description:
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Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.
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TRANSMIT ATTENUATION LEVEL
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Type:
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Register
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Format:
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AT [cmds] S91=n [cmds]
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Default:
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10
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Range:
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0-15
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Unit:
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-1dBm
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Description:
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Controls transmission attenuation level
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