
CREATIX POLYMEDIA

AT&T 28.8 (EXTERNAL)

Card Type                    Modem (synchronous/asynchronous)
Chip Set                     AT&T
I/O Options                  Voice
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.32terbo, V.34
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

         Function           Label             Function             Label

  Line in                        CN1       DC power                 CN4

  Line out                       CN2       Power switch             SW1

  RS-232/422                     CN3

                             DIAGNOSTIC LED(S)

   LED      Color    Status                    Condition

    MR       Red       On                     Power is on

    MR       Red      Off                    Power is off

    TR       Red       On                 DTR signal is high

    TR       Red      Off                  DTR signal is low

    SD       Red       On             Modem is transmitting data

    SD       Red      Off           Modem is not transmitting data

    RD       Red       On               Modem is receiving data

    RD       Red      Off             Modem is not receiving data

    OH       Red       On                  Modem is off-hook

    OH       Red      Off                  Modem is on-hook

    CD       Red       On               Carrier signal detected

    CD       Red      Off             Carrier signal not detected

    AA       Red       On                 Auto-answer enabled

    AA       Red      Off                Auto-answer disabled

    EC       Red       On              Error correction enabled

    EC       Red      Off              Error correction disabled

                         Proprietary AT Command Set

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:                  Configuration

  Format:                AT [cmds] %An [cmds]

  Default:               0

  Range:                 0-127

  Unit:                  ASCII

  Description:           Sets the character used as the auto-reliable
                         fallback character. %A0 will disable this
                         function.

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:                  Register

  Format:                AT [cmds] S29=n [cmds]

  Default:               0

  Range:                 0-127

  Unit:                  ASCII

  Description:           Sets the character used as the auto-reliable
                         fallback character. %A0 will disable this
                         function.

                  AUTO-RELIABLE TIME BUFFER CONFIGURATION

  Type:                  Configuration

  Format:                AT [cmds] \Cn [cmds]

  Description:           Controls the handling of incoming data during
                         auto-reliable time period

        Command                              Function

          \CO            Data is discarded

          \C1            Data is buffered

          \C2            Data is discarded, sets to normal mode and sends
                         auto-reliable character to serial port.

                    AUTO-RETRAIN - FALLBACK/FALLFORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Description:   Controls auto-retrain mode and fallback/fall forward

    Command                              Function

      %E0        Auto-retrain disabled

      %E1        Auto-retrain enabled

      %E2        Fallback/fall forward enabled

  BIT MAPPED REGISTERS

  Register     Default

    S14          137

    S15          83

    S16           0

    S17          75

    S19           3

    S20           0

    S21          48

    S22          246

    S23          12

    S24          72

    S27           0

    S28          16

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Default:       3

  Range:         0-9

  Unit:          .1 second

  Description:   Sends break to modem

                               BREAK TYPE

  Type          Configuration

  Format        AT [cmds] \Kn [cmds]

  Default       5

  Range         0-5

  Description   Configures action of break signal

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Description:   Controls data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        Data compression enabled

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Description:   Sets connect mode

    Command                              Function

      \N0        Normal mode enabled

      \N1        Direct mode enabled

      \N2        MNP mode only enabled

      \N3        LAP-M/MNP/Normal mode enabled

      \N4        LAP-M mode only enabled

      \N5        LAP-M/Normal mode enabled

      \N6        LAP-M/MNP mode enabled.

      \N7        MNP/Normal mode enabled

                       CONNECTION SPEED UPPER LIMIT

  Type:          Immediate

  Format:        AT [cmds] %Bn [cmds]

  Description:   Selects the maximum DCE connection speed

    Command                              Function

     %B300       Select 300bps speed

     %B1200      Select 1200bps speed

     %B2400      Select 2400bps speed

     %B4800      Select 4800bps speed

     %B7200      Select 7200bps speed

     %B9600      Select 9600bps speed

    %B12000      Select 12Kbps speed

    %B14400      Select 14.4Kbps speed

    %B16800      Select 16.8Kbps speed

    %B19200      Select 19.2Kbps speed

    %B21600      Select 21.6Kbps speed

    %B24000      Select 24Kbps speed

    %B26400      Select 26.4Kbps speed

    %B28800      Select 28.8Kbps speed

                               DTE BAUD RATE

  Type:          Configuration

  Format:        AT [cmds] %Nn [cmds]

  Description:   Controls DTE baud rate

    Command                              Function

      %N0         IBM PC

      %N1         NEC PC98 set 1

      %N2         NEC PC98 set 2

  Note: For use with external models

                           EXTENDED RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Description:   Selects extended result codes

    Command                              Function

      \V0        Modem speed result codes enabled

      \V1        Modem speed and basic REL result codes enabled

      \V2        All extended result codes enabled

      \V3        Computer speed result codes enabled

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Description:   Selects modem port flow control

    Command                              Function

      \G0        Flow control disabled

      \G1        Flow control enabled

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Description:   Sets type of flow control used by modem

    Command                              Function

      \Q0        Flow control disabled

      \Q1        Bidirectional XON/XOFF flow control enabled

      \Q2        CTS flow control by DCE enabled

      \Q3        CTS/RTS flow control enabled

      \Q4        Unidirectional XON/XOFF flow control enabled

                             INACTIVITY TIMER

  Type:                  Configuration

  Format:                AT [cmds] \Tn [cmds]

  Default:               0

  Range:                 0-90

  Unit:                  1 minute

  Description:           Sets the length of time that the modem does not
                         receive information before it disconnects

                            LINE SIGNAL QUALITY

  Type:          Immediate

  Format:        AT [cmds] %Q [cmds]

  Description:   Displays line signal quality and receive level in dBm

                                 DUMB MODE

  Type:          Configuration

  Format:        AT [cmds] %Dn [cmds]

  Description:   Controls smart/dumb mode

    Command                              Function

      %D0        Smart mode enabled

      %D1        Dumb mode enabled

                             LOCK SERIAL PORT

  Type:          Configuration

  Format:        AT [cmds] \Jn [cmds]

  Description:   Sets operation of serial port speed

    Command                              Function

      \J0        Serial speed locked

      \J1        Serial speed follows connect speed

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Description:   Sets the maximum transmittable block size

    Command                              Function

      \A0        MNP block size is 64 characters

      \A1        MNP block size is 128 characters

      \A2        MNP block size is 192 characters

      \A3        MNP block size is 256 characters

                           MODULATION SELECTION

  Type:          Configuration

  Format:        AT [cmds] \Mn [cmds]

  Description:   Controls V.34 and V.32terbo modulation selection

    Command                              Function

      \M0         V.34 and V.32terbo enabled

      \M1         V.32terbo disabled

      \M2         V.34 disabled

                                SLEEP TIMER

  Format                  AT [cmds] S13=n [cmds]

  Default:                6

  Range:                  0-255

  Unit:                   1 second

  Description:            Maximum duration of DTE and DCE inactivity
                          allowed prior to initiating low-power sleep
                          mode

                           TRANSMIT ATTENUATION

  Type:          Register

  Format:        AT [cmds] S91=n [cmds]

  Default:       12

  Range:         0-15

  Unit:          -1dBm

  Description:   Controls attenuation for transmit level

                           XON/XOFF PASS-THROUGH

  Type:          Configuration

  Format:        AT [cmds] \Xn [cmds]

  Description:   Selects whether XON/XOFF signals are sent to remote
                 modem

    Command                              Function

      \X0        XON/XOFF signals trapped by local modem

      \X1        XON/XOFF passed through local modem

