
CREATIX POLYMEDIA

SIERRA VOICE 28.8 (EXTERNAL)

Card Type                    Fax, Modem (synchronous/asynchronous), Voice
Chip Set                     Sierra
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.32, V.32bis,
                             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 in progress

    EC       Red      Off          Error correction not in progress

                         Proprietary AT Command Set

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:                  Configuration

  Format:                AT [cmds] %An [cmds]

  Default:               Unidentified

  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 when
                      auto-reliable character detected.

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT [cmds] %Qn [cmds]

  Description:   Selects auto-retrain mode

    Command                              Function

      %Q0        Auto-retrain disabled

      %Q1        Auto-retrain three times

      %Q2        Auto-retrain until line quality is good

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Description:   Selects data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        MNP5 and V.42bis 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 enabled

      \N3        V.42/MNP/Normal mode enabled

      \N4        V.42 mode enabled

      \N5        V.42/MNP mode enabled

                     DSR SIGNAL - ANALOG LOOPBACK TEST

  Type:             Configuration

  Format:           AT [cmds] %Dn [cmds]

  Description:      Selects the function of the DSR signal during analog
                    loopback tests

     Command                              Function

       %D0          DSR forced high

       %D1          DSR forced low

                                 DTE SPEED

  Type:          Configuration

  Format:        AT [cmds] \Tn [cmds]

  Description:   Selects the current DTE speed

    Command                              Function

      \T0        Select DTE autobaud

      \T1        Select last AT speed

      \T2        Select 300bps speed

      \T3        Select 1200bps speed

      \T4        Select 2400bps speed

      \T5        Select 4800bps speed

      \T6        Select 7200bps speed

      \T7        Select 9600bps speed

      \T8        Select 12Kbps speed

      \T9        Select 14.4Kbps speed

      \T10       Select 16.8Kbps speed

      \T11       Select 19.2Kbps speed

      \T12       Select 21.6Kbps speed

      \T13       Select 24Kbps speed

      \T14       Select 26.4Kbps speed

      \T15       Select 28.8Kbps speed

      \T16       Select 38.4Kbps speed

      \T17       Select 57.6Kbps speed

      \T18       Select 76.8Kbps speed

      \T19       Select 115.2Kbps speed

      \T20       Select 128Kbps speed

                           EXTENDED RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Description:   Selects extended result codes

    Command                              Function

      \V0        Extended result codes disabled

      \V1        Extended result codes with DTE speed enabled

      \V2        Extended result codes with DTE speed enabled

      \V3        Extended result codes disabled and S/DCE speed 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 to DTE enabled

      \Q3        RTS/CTS flow control enabled

      \Q4        Unidirectional XON/XOFF flow control enabled

                              PROTOCOL/SPEED

  Type:          Configuration

  Format:        AT [cmds] &Hn [cmds]

  Description:   Selects the current protocol

    Command                              Function

      &H0        Selects V.34 and below

      &H1        Selects V.34 only

      &H2        Selects V.32bis and below

      &H3        Selects V.32bis only

      &H4        Selects V.32 and below

      &H5        Selects V.32 only

      &H6        Selects V.22bis only

      &H7        Selects V.22 only

      &H8        Select Bell 212A only

      &H9        Selects Bell 103 only

      &H10       Selects V.21 only

