
PRACTICAL PERIPHERALS, INC.

PC288LCD V.34/MC288LCD V.34

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.27ter, V.29, V.33
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

        Purpose           Location            Purpose            Location

  Menu down                 BT1       Line in                      CN2

  Mode select               BT2       RS-232/422                   CN3

  Menu up                   BT3       DC power                     CN4

  Line out                  CN1       Power switch                 SW1

                          DIAGNOSTIC LED(S)

    LED        Color       Status               Condition

     TX         Red          On         Modem is transmitting data

     TX         Red         Off       Modem is not transmitting data

     RX         Red          On          Modem is receiving data

     RX         Red         Off        Modem is not receiving data

     OH         Red          On             Modem is off-hook

     OH         Red         Off              Modem is on-hook

     AA         Red          On            Auto-answer enabled

     AA         Red         Off            Auto-answer disabled

     AA         Red       Blinking           Phone is ringing

     EC         Red          On          Error correction enabled

     EC         Red         Off         Error correction disabled

     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

     RS         Red          On             RTS signal is high

     RS         Red         Off             RTS signal is low

     CS         Red          On             CTS signal is high

     CS         Red         Off             CTS signal is low

     CD         Red          On          Carrier signal detected

     CD         Red         Off        Carrier signal not detected

     CD         Red       Blinking         Modem is retraining

                         Proprietary AT Command Set

                                 CALLER ID

  Type:          Configuration

  Format:        AT [cmds] %CCID=n [cmds]

  Example:       AT %CCID=2<CR>

  Description:   Controls the Caller ID function.

  Command                                Function

   %CCID=0      Caller ID disabled.

  %CCID=1        Caller ID displays formatted data.

  %CCID=2        Caller ID displays raw hexadecimal data.

                                COMMAND SET

  Type:                Configuration

  Format:              AT [cmds] %DUMBn [cmds]

  Example:             AT %DUMB1<CR>

  Description:         Disables the AT command set.

  Note:                The AT command set is always active for the first
                       20 seconds after the modem is powered up. AT%DUMB0
                       can be entered during this time period to
                       re-enable the command set.

  Command                                   Function

   %DUMB0             Command set enabled.

  %DUMB1               Command set disabled.

                               EXTENDED RING

  Format:             AT [cmds] S101=n [cmds]

  Example:            ATS101=40<CR>

  Default:            0

  Range:              0 - 255

  Unit:               Bit-mapped

  Description:        Selects the response to extended ring types.

     Bit       Value                        Function

      0         0      Do not respond to ring type A.

               1        Respond to ring type A.

      1         0      Do not respond to ring type B.

               1        Respond to ring type B.

      2         0      Do not respond to ring type C.

               1        Respond to ring type C.

      3         0      Do not respond to ring type D.

               1        Respond to ring type D.

      4         0      Do not respond to ring type E.

               1        Respond to ring type E.

      5         0      Do not respond to ring type F.

               1        Respond to ring type F.

      6         0      Do not respond to ring type G.

               1        Respond to ring type G.

      7         0      Report RING for all ring types.

               1        Report RING n where n is the ring type.

                               HELP SCREENS

  Type:          Immediate

  Format:        AT [cmds] $H

  Example:       AT $H<CR>

  Description:   Shows modem help screens.

                          LCD DISPLAY STRING ECHO

  Type:          Immediate

  Format:        AT [cmds] %LCD? [cmds]

  Example:       AT %LCD?<CR>

  Description:   Returns the first two lines of text on the modems LCD
                 display.

                          LCD DISPLAY STRING SET

  Type:           Immediate

  Format:         AT [cmds] %LCD="xxxx" [cmds]

  Example:        AT %LCD="Preparing the fnord..."<CR>

  Description:    Displays up to 24 characters on the first two lines of
                  the modems LCD display.

                         LCD SCROLL RATE - LINE 1

  Type:                Register

  Format:              AT [cmds] S118=n [cmds]

  Example:             ATS118=20<CR>

  Default:             10

  Range:               0-255

  Unit:                .1 second

  Description:         Sets the length of time that each message will be
                       displayed on line 1 of the front panel LCD if
                       there are more messages pending.

                         LCD SCROLL RATE - LINE 2

  Type:                 Register

  Format:               AT [cmds] S119=n [cmds]

  Example:              ATS119=5<CR>

  Default:              10

  Range:                0-255

  Unit:                 .1 second

  Description:          Sets the length of time that each message will be
                        displayed on line 2 of the front panel LCD if
                        there are more messages pending.

                                  REDIAL

  Type:          Immediate

  Format:        AT [cmds] DL

  Example:       AT M1 DL<CR>

  Description:   Redials the last number dialed.

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Example:       AT I1 &W<CR>

  Description:   Displays modem properties.

    Command                              Function

       I0        Reports modem model and speed.

       I1        Reports checksum number.

       I2        Reports checksum result.

       I3        Reports firmware version.

       I4        Reports current command settings.

       I6        Reports current connections statistics.

                                 TIME MODE

  Type:          Configuration

  Format:        AT [cmds] %HOUR=n [cmds]

  Example:       AT %HOUR=24<CR>

  Description:   Sets the modems clock to display in 12- or 24-hour mode

  Command                                Function

   %HOUR=12     Normal 12-hour mode selected.

  %HOUR=24       Military 24-hour mode selected.

                                 TIME SET

  Type:          Configuration

  Format:        AT [cmds] %TIME=hhmmss [cmds]

  Example:       AT %TIME=160401<CR>

  Description:   Sets the modems clock.

  Note:          Time given must be six digits long and in military
                 format.

                                TEST MODES

  Type:          Immediate

  Format:        AT [cmds] &Tn

  Example:       AT &T6<CR>

  Description:   Performs and configures test modes.

    Command                              Function

      &T0        End current test.

      &T1        Begin local analog loopback test.

      &T3        Begin local digital loopback.

      &T4        Grant remote digital loopback request.

      &T5        Deny remote digital loopback request.

      &T6        Request remote digital loopback

      &T7        Request remote digital loopback and self-test.

      &T8        Begin local analog loopback and self-test.

      &T19       Begin RTS/CTS cable test.

      &T99       Begin front panel LCD display test.

