BOCA RESEARCH, INC.

ON-LINE EXPRESS 14.4 (M144AE)

Card Type               Modem(asynchronous)
Chip Set                Unidentified
Maximum Data Rate       14.4Kbps
Maximum Fax Rate        14.4Kbps
Data Bus                External
Fax Class               Class I
Data Modulation         Bell 103A/212A
Protocol
                        ITU-T V.21, V.22bis, V.32, V.32bis
Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29

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                                CONNECTIONS

        Function           Label             Function              Label

  Line out                      CN1      DC power                   CN4

  Line in                       CN2      RS-232/422                 CN5

  Power switch                  CN3

                             DIAGNOSTIC LED(S)

   LED       Color      Status                   Condition

    TM        Red         Off              Modem not in test mode

    TM        Red       Blinking   Modem in test mode and errors detected

    AA        Red         On       Auto-answer enabled or connection with
                                            remote modem is good

    AA        Red         Off               Auto-answer disabled

    HS        Red         On          Modem is operating at 4800bps or
                                                   faster

    HS        Red         Off         Modem is operating at slower than
                                                  4800bps

    OH        Red         On                 Modem is off-hook

    OH        Red         Off                 Modem is on-hook

    SD        Red       Blinking         Modem is transmitting data

    SD        Red         Off          Modem is not transmitting data

    RD        Red       Blinking          Modem is receiving data

    RD        Red         Off           Modem is not receiving data

    TR        Red         On                 DTR signal is high

    TR        Red         Off                DTR signal is low

    CD        Red         On              Carrier signal detected

    CD        Red         Off           Carrier signal not detected

                         Proprietary AT Command Set

                    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

                            FAX TRANSMIT LEVEL

  Type:          Register

  Format:        AT [cmds] S92=n [cmds]

  Default:       10

  Range:         1-15

  Unit:          -1dBm

  Description:   Controls fax transmission level

                       FLOW CONTROL CHARACTER - XOFF

  Type:          Register

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

  Default:       19

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the character used to represent XOFF

                       FLOW CONTROL CHARACTER - XON

  Type:          Register

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

  Default:       17

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the character used to represent XON

                             LINE SIGNAL LEVEL

  Type:          Immediate

  Format:        AT [cmds] %L [cmds]

  Range:         009-043

  Unit:          -dBm

  Description:   Reports received line signal level

                              PROTOCOL/SPEED

  Format         AT [cmds] S37=n [cmds]

  Default:       0

  Range:         0-10

  Description:   Selects switched line speed

    Command                              Function

     S37=0       Connect at last AT speed

     S37=1       Connect at300bps

     S37=2       Connect at 300bps

     S37=3       Connect at 300bps

     S37=4       Not used

     S37=5       Connect at 1200bps

     S37=6       Connect at 2400bps

     S37=7       Connect at V.23

     S37=8       Connect at 4800bps

     S37=9       Connect at 9600bps

     S37=10      Connect at 12.0Kbps

     S37=11      Connect at 14.4Kbps

     S37=12      Connect at 7200bps

                               RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] S41=n [cmds]

  Description:   Selects extended result codes

    Command                              Function

     S41=0       Display DTE speed

     S41=1       Display carrier, protocol and compression

     S41=2       Display DCE speed

                                SLEEP TIMER

  Format                  AT [cmds] S24=n [cmds]

  Default:                0

  Range:                  0 - 255

  Unit:                   Seconds

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