
SIIG, INC.

DASH 28.8I FAX/MODEM EXTERNAL

Modem Type                   Data (synchronous/asynchronous)/Fax
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.34

                             Rockwell V.FC
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

        Purpose           Location            Purpose            Location

  Line out                  CN1       Power switch                 SW1

  Line in                   CN2       Data/Voice                   SW2

  RS-232/422                CN3       Answer/Originate             SW3

  AC power                  CN4

                          DIAGNOSTIC LED(S)

    LED        Color       Status               Condition

     PW         Red          On                Power is on.

     PW         Red         Off                Power is off

     TR         Red          On             DTR signal is high

     TR         Red         Off             DTR signal is low

     CS         Red          On             CTS signal is high

     CS         Red         Off             CTS signal is low

     TD         Red       Blinking      Modem is transmitting data

     TD         Red         Off       Modem is not transmitting data

     CD         Red          On          Carrier signal detected

     CD         Red         Off        Carrier signal not detected

     RD         Red       Blinking       Modem is receiving data

     RD         Red         Off        Modem is not receiving data

     AA         Red          On            Auto-answer enabled

     AA         Red         Off            Auto-answer disabled

     AA         Red       Blinking           Phone is ringing

     OH         Red          On             Modem is off-hook

     OH         Red         Off              Modem is on-hook

                         Proprietary AT Command Set

                    AUTO-RETRAIN - FALLBACK/FALLFORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Example:       AT %E1 <CR>

  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          138

    S16           0

    S21           0

    S23          54

    S27           9

    S28           0

    S31           2

    S36           7

    S40          105

    S41           3

    S82          128

    S91          10

    S92          10

    S95           0

    S201         58

                                BREAK TYPE

  Type:                 Configuration

  Format:               AT [cmds] \Kn [cmds]

  Example:              AT \K1<CR>

  Description:          Configures action of break signal.

        Command              Break from DTE          Break received from
                                                        remote modem

          \K0            Online command mode       Buffers cleared, break
                         enabled, send no break    sent to DTE.
                         to remote modem.

          \K1            Break sent to remote      Buffers cleared, break
                         modem and buffered        sent to DTE.
                         cleared.

          \K2            Online command mode       Break sent immediately
                         enabled, send no break    to DTE.
                         to remote modem.

          \K3            Send break to remote      Break sent immediately
                         modem immediately.        to DTE.

          \K4            Online command mode       Break sent with
                         enabled, send no break    received data to the
                         to remote modem.          DTE.

          \K5            Send break with           Break sent with
                         transmitted data.         received data to the
                                                   DTE.

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Example:       AT \N1 DT555-1212<CR>

  Description:   Sets connect mode.

  Command                                Function

  \N0            Normal mode enabled.

  \N1            Serial interface enabled

  \N2            Reliable mode enabled.

  \N3            Auto-reliable mode enabled.

  \N4            LAPM mode enabled.

  \N5            MNP mode enabled.

                       FLOW CONTROL CHARACTER - XON

  Type:          Register

  Format:        AT [cmds] S32=n [cmds]

  Example:       AT S32=20<CR>

  Default:       17

  Range:         0 - 255

  Unit:          ASCII

  Description:   Sets the character used to represent XON.

                       FLOW CONTROL CHARACTER - XOFF

  Type:          Register

  Format:        AT [cmds] S33=n [cmds]

  Example:       AT S33=20<CR>

  Default:       19

  Range:         0 - 255

  Unit:          ASCII

  Description:   Sets the character used to represent XOFF.

                               HDLC ADDRESS

  Type:          Register

  Format:        AT [cmds] S20=n [cmds]

  Example:       AT S20=6<CR>

  Default:       0

  Range:         0 - 255

  Unit:          N/A

  Description:   Sets the HDLC address/BSC character.

                         DISPLAY LINE SIGNAL LEVEL

  Type:          Immediate

  Format:        AT [cmds] %L [cmds]

  Example:       AT %L &W<CR>

  Description:   Displays a value of the received line signal level.

                        DISPLAY LINE SIGNAL QUALITY

  Type:          Immediate

  Format:        AT [cmds] %Q [cmds]

  Example:       AT %Q &W<CR>

  Description:   Displays line signal quality.

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Example:       AT \G1 &K3<CR>

  Description:   Selects modem port flow control.

  Command                                Function

   \G0          Flow control disabled.

  \G1            Flow control enabled.

                           MODULATION SELECTION

  Type:                Configuration

  Format:              AT [cmds] +MS=xx,y,zzz,aaa [cmds]

  Example:             AT +MS11,1,300,28800 &W<CR>

  Description:         Sets options for active protocol. The transfer
                       rates specified by z and a must be valid for the
                       protocol selected.

  Command                                   Function

  x=0                  V.21

  x=1                  V.22

  x=2                  V.22bis

  x=3                  V.23

  x=9                  V.32

  x=10                 V.32bis

   x=11               V.34

  x=64                 Bell 103A

  x=69                 Bell 212A

  x=74                 V.FC

         y=0           Automode disabled.

         y=1           Auto-detect highest speed enabled.

      z, a=300         Set minimum or maximum transfer rate at 300bps,
                       respectively.

      z, a=1200        Set minimum or maximum transfer rate at 1200bps,
                       respectively.

      z, a=2400        Set minimum or maximum transfer rate at 2400bps,
                       respectively.

      z, a=4800        Set minimum or maximum transfer rate at 4800bps,
                       respectively.

      z, a=7200        Set minimum or maximum transfer rate at 7200bps,
                       respectively.

      z, a=9600        Set minimum or maximum transfer rate at 9600bps,
                       respectively.

     z, a=12000        Set minimum or maximum transfer rate at 12000bps,
                       respectively.

     z, a=14400        Set minimum or maximum transfer rate at 14400bps,
                       respectively.

     z, a=16800        Set minimum or maximum transfer rate at 16800bps,
                       respectively.

     z, a=19200        Set minimum or maximum transfer rate at 19200bps,
                       respectively.

     z, a=21600        Set minimum or maximum transfer rate at 21600bps,
                       respectively.

     z, a=24000        Set minimum or maximum transfer rate at 24000bps,
                       respectively.

     z, a=26400        Set minimum or maximum transfer rate at 26400bps,
                       respectively.

     z, a=28800        Set minimum or maximum transfer rate at 28800bps,
                       respectively.

                       MODULATION SELECTION DISPLAY

  Type:          Immediate

  Format:        AT [cmds] +MS?

  Example:       AT &V +MS?<CR>

  Description:   Displays modulation, automode, minimum rate and maximum
                 rate settings

                          V.42 HANDSHAKE OPTIONS

  Type:          Register

  Format:        AT [cmds] S48=n [cmds]

  Example:       AT S48=7<CR>

  Default:       7

  Range:         0, 7, or 128

  Description:   Controls the V.42 handshake sequence.

    Command                              Function

  S48=0          V.42 negotiation disabled.

   S48=7        V.42 negotiation enabled.

  S48=128        V.42 disabled; fallback according to S36.

