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ISDN-TA/MLP
ACEEX CORPORATION
ISDN-TA/MLP
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Card Type
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ISDN TA
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Chip Set
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Unidentified
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I/O Options
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AC power, power switch, 26-pin serial port, ISDN S/T interface (RJ-45)
analog telephone port (RJ-11),
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ISDN Data Rate
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128Kbps
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ISDN Modulation Protocol
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V.110, V.120, X.75, HDLC, PPP, MLPPP
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Error Correction/Compression
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MNP5, V.42bis
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Data Bus
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External
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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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Analog telephone interface (RJ-11 connector)
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CN1
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AC power
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CN4
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ISDN S/T interface (RJ-45 connector)
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CN2
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Power switch
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SW1
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25-pin serial port
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CN3
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Note: RJ-11 modular cable splits the analog telephone interface (CN1) into two ports.
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DIAGNOSTIC LED(S)
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LED
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Color
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Status
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Condition
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PR
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Unidentified
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On
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Power is on
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PR
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Unidentified
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Off
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Power is off
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SD
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Unidentified
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On
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TA is transmitting data to a remote computer
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SD
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Unidentified
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Off
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TA is not transmitting data to a remote computer
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RD
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Unidentified
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On
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TA is receiving data from remote computer
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RD
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Unidentified
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Off
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TA is not receiving data from a remote computer
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AA
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Unidentified
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On
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Auto answer enabled
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AA
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Unidentified
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Blinking
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Phone is ringing
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AA
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Unidentified
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Off
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Auto answer disabled
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A1
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Unidentified
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On
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Telephone port 1 is active
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A1
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Unidentified
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Blinking
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Call is in progress on telephone port 1
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A1
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Unidentified
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Off
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Telephone port 1 is idle
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A2
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Unidentified
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On
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Telephone port 2 is active
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A2
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Unidentified
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Blinking
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Call is in progress on telephone port 2
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A2
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Unidentified
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Off
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Telephone port 2 is idle
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LNK
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Unidentified
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On
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ISDN S/T interface is active
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LNK
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Unidentified
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Off
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ISDN S/T interface is idle
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128
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Unidentified
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On
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MLPPP enabled
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128
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Unidentified
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Off
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MLPPP disabled
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SUPPORTED COMMAND SET
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Basic AT Commands
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AT, A/
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A, E, Q, V
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&C, &F, &R, &V, &Z
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S Registers
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S0, S2, S3, S4, S5, S12, S25, S26, S32, S33
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Note: See MHI Help File for full command documentation.
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Proprietary AT Command Set
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CHAP NEGOTIATION
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Type:
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Configuration
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Format:
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AT [cmds] &Pn [cmds]
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Description:
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Enables/disables CHAP negotiation
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Command
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Function
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&P0
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CHAP negotiation enabled
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&P1
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CHAP negotiation disabled
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COMMUNICATIONS MODE
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Type:
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Configuration
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Format:
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AT [cmds] &Mn [cmds]
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Description:
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Selects communications mode
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Command
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Mode
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í &M0
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Asynchronous mode
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&M1
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Synchronous connect mode and asynchronous off-line command mode.
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&M2
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Synchronous connect mode
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DATA SET READY (DSR)
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Type:
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Configuration
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Format:
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AT [cmds] &Sn [cmds]
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Description:
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Selects DSR options
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Command
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Function
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&S0
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DSR forced high
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&S1
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DSR high only while modem is connected
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DATA TERMINAL READY (DTR)
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Type:
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Configuration
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Format:
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AT [cmds] &Dn [cmds]
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Description:
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Selects modem response to DTR
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Command
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Mode
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í &D2
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Abort connection on low DTR after time specified by register S25
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DIAL
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Type:
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Immediate
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Format:
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AT [cmds] D<#> [cmds]
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Description:
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Dials telephone number according to any modifiers included in the string
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Command
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Function
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DT
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Dials telephone number (same as ATD)
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DP
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Dials telephone number (same as ATD)
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DS
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Dial stored telephone number
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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] &Kn [cmds]
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Description:
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Enables flow control options
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Command
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Function
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&K0
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Flow control disabled
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í &K3
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RTS/CTS flow control enabled
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&K4
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XON/XOFF flow control enabled
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&K5
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Transparent XON/XOFF flow control enabled
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&K6
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RTS/CTS & XON/XOFF flow control enabled
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HOOK CONTROL
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Type:
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Immediate
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Format:
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AT [cmds] Hn [cmds]
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Description:
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Selects whether the modem is on-hook or off-hook
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Command
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Function
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H0
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Modem commanded to go on-hook (hang-up)
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ON-LINE
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Type:
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Immediate
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Format:
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AT [cmds] On [cmds]
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Description:
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Controls on-line command (data transmission) state options.
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Note: The O command must be placed at the end of the command string.
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Command
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Function
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O0
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On-line command mode with no retraining enabled
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REPORT INFORMATION
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Type:
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Immediate
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Format:
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AT [cmds] In [cmds]
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Description:
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Displays information requested
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Command
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Function
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I0
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Reports product identification
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I1
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Reports ROM checksum
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I3
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Reports model function
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I6
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Reports product name
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SELECT CALL PROGRESS RESULT CODES
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Type:
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Configuration
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Format:
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AT [cmds] Xn [cmds]
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Description:
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Enables selection of tone detection and associated result code format options
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Command
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Function
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X0
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Base result codes only
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X1
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Extended result codes enabled
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X2
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Extended ISDN result codes enabled
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SOFT RESET
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Type:
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Immediate
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Format:
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AT [cmds] Zn [cmds]
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Description:
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Resets the active configuration to the stored configuration
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STORE ACTIVE PROFILE
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Type:
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Configuration
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Format:
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AT [cmds] &Wn [cmds]
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Description:
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Writes the values for the active profile into the non-volatile RAM
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V.110 LINE SPEED
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Type:
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Configuration
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Format:
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AT [cmds] Fn [cmds]
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Description:
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Sets the maximum allowable data exchange rate for V.110 modulation
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Command
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Function
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F0
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V.110 network baud rate follows DCE to a maximum of 38.4bps
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F1
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300bps
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F2
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1200bps
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F3
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2400bps
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F4
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4800bps
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F5
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9600bps
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F6
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19.2Kbps
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F7
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38.4Kpbs
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Special Commands
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ISDN PROTOCOL SELECTION
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Type:
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Configuration
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Format:
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AT [cmds] !Z=n [cmds]
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Description:
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Sets the B-channel protocol
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Command
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Function
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!Z=5
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V.120 mode enabled
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!Z=6
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V.110 mode enabled
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!Z=9
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PPP/MLPPP mode enabled
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UART LINE SPEED
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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 the fixed maximum allowable data exchange rate for UART
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Command
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Function
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*NA
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Autobaud enabled
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*N0
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300bps
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*N1
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1200bps
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*N2
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2400bps
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*N3
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4800bps
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*N4
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9600bps
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*N5
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19.2Kbps
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*N6
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38.4Kpbs
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*N7
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57.6Kbps
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*N8
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76.8Kbps
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*N9
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115.2Kbps
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*N10
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7200bps
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*N11
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14.4Kbps
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*N12
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28.8Kbps
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*N13
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38.4Kbps
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*N14
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153.6Kbps
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S(status) REGISTERS
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BIT-MAPPED REGISTER S14
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Format:
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AT [cmds] S14=n [cmds]
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Range:
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0-174
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Unit:
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Bit-mapped
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Description:
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Controls extended baud rates, echo, result codes and display, dial mode, and answer/originate mode.
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Bit
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Value
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Function
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0
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0
1
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38.4Kbps extended baud rate enabled
19.2Kbps extended baud rate enabled
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1
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0
1
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Command echo disabled
Command echo enabled
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2
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0
1
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Result codes enabled
Result codes disabled
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3
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0
1
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Display result codes in numeric format
Display result codes in verbose format
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4
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0
1
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Abort code on
Abort code off
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5
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0
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Not used
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6
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0
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Not used
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7
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0 1
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Answer mode enabled
Originate mode enabled
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BIT-MAPPED REGISTER S21
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Format
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AT [cmds] S21=n [cmds]
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Range:
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0-253
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Unit:
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Bit-mapped
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Description:
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Selects jack type, CTS/DCD/DSR signals, low DTR action, and the long space disconnect function.
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Bit
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Value
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Function
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0
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0
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Not used
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1
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0
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Not used
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2
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0
1
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CTS forced high
CTS follows RTS
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4, 3
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00
01
10
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DTR signal ignored
Not used
Modem disconnects on low DTR; Auto-Answer is disabled.
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5
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0
1
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DCD forced high
DCD normal
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6
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0
1
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DSR forced high
DSR normal
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7
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0
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Not used
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BIT-MAPPED REGISTER S23
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Format
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AT [cmds] S23=n [cmds]
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Range:
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0-189
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Unit:
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Bit-mapped
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Description:
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Controls rate and parity
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Bit
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Value
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Function
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0
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0
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Not used
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3 - 1
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000
001
010
011
100
101
110
111
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Sets serial port speed to 0-300bps
Extended baud rate sets enabled
Sets serial port speed to 1200bps
Sets serial port speed to 2400bps
Sets serial port speed to 4800bps
Sets serial port speed to 9600bps
Sets serial port speed to 19.2Kbps
Sets serial port speed to 38.4Kbps
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5, 4
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00
01
10
11
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Parity even
Space Parity
Parity odd
Mark or No Parity
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7, 6
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00
01
10
11
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Extended baud rate set to 57.6Kbps
Extended baud rate set to 78.4Kbps
Extended baud rate set to 115.2Kbps
Register S24 enabled for rate selection
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BIT-MAPPED REGISTER S24
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Format
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AT [cmds] S24=n [cmds]
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Range:
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0-189
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Unit:
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Bit-mapped
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Description:
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Sets extra baud rates
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Bit
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Value
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Function
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3 - 0
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000
001
010
011
100
101
110
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7200bps
14.4Kbps
28.8Kbps
153.6Kbps
230.4Kbps
460.8Kbps
921.6Kbps
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6 - 4
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0
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Not used
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7
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0
1
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Autobaud disabled
Autobaud enabled
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BIT-MAPPED REGISTER S27
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Format
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AT [cmds] S27=n [cmds]
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Range:
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0-111
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Unit:
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Bit-mapped
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Description:
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Selects synchronous/asynchronous mode, line type, clock source, and ITU-T/Bell modes.
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Bit
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Value
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Function
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1, 0
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00
01
10
11
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Asynchronous mode
Synchronous connect mode and asynchronous off-line command mode
Synchronous connect mode
Synchronous connect mode
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2
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0
1
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TA supports one number
TA supports multiple numbers
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3
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0
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Not Used
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5, 4
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00
01
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Local modem generates transmit clock source
Remote DCE/DTE generates transmit clock source
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6, 7
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0
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Not Used
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BIT-MAPPED REGISTER S37
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Type:
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Register
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Format
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AT [cmds] S37=n [cmds]
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Unit:
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Bit-mapped
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Description:
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Sets the maximum allowable data exchange rate for V.110 modulation
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Bit
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Value
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Function
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3 - 0
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0000
0001
0010
0011
0100
0101
0110
0111
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V.110 network baud rate follows DCE to maximum
300bps
1200bps
2400bps
4800bps
9600bps
19.2Kbps
38.4Kpbs
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7 - 4
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0
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Not Used
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FLOW CONTROL
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Type:
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Register
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Format
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AT [cmds] S39=n [cmds]
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Description:
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Displays the current flow control
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Value
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Meaning
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0
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Flow control disabled
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3
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RTS/CTS flow control enabled
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4
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XON/XOFF flow control enabled
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5
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Transparent XON/XOFF flow control enabled
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6
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RTS/CTS & XON/XOFF flow control enabled
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NO CARRIER TIME-OUT
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Type:
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Register
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Format
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AT [cmds] S40=n [cmds]
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Default:
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5
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Range:
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1-60
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Unit:
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1 second
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Description:
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Maximum wait time the modem uses after dialing to detect a carrier signal from the remote modem for both originating and answering calls.
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RESULT CODES
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Type:
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Register
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Format:
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AT [cmds] S22=n [cmds]
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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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Provides a "bit-map" of options for result code usage
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Command
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Function
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S22=0
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Base result codes only
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S22=64
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Extended result codes enabled
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S22=112
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Extended ISDN result codes enabled
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RING COUNT TIME OUT
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Type:
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Register
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Format
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AT [cmds] S54=n [cmds]
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Range:
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0-255
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Unit:
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1 ring
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Description:
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Sets the number of rings allowed before disconnect if auto answer is disabled.
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