
LOGICODE TECHNOLOGY, INC.

2814XV-VFC/28V14XV

Modem Type                  Data (synchronous/asynchronous)/Fax/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                       MNP10, MNP5, V.42, V.42bis
Correction/Compression

[Image]

                                CONNECTIONS

         Purpose           Location            Purpose           Location

  Line out                    CN1       Speaker                    CN5

  Line in                     CN2       Microphone                 CN6

  RS-232/422                  CN3       Power switch               SW1

  DC power                    CN4

  Note: SW2 not installed on 28V14XV.

                    SYNCHRONOUS/ASYNCHRONOUS OPERATION

           Setting                    SW2/2                 SW2/3

   Asynchronous operation              On                    Off

  Synchronous with internal            On                    Off
            clock

  Synchronous with external            Off                    On
            clock

    Synchronous with slave             Off                   Off
            clock

             DSR/DTR FORCED HIGH

  Setting                      SW2/4

   Normal operation             On

  DSR/DTR forced high           Off

                 COMMAND SET

        Setting                SW2/6

  V.25bis command set           Off

    AT command set               On

  REMOTE CONFIGURATION

  Setting       SW2/7

  Enabled        Off

  Disabled       On

   CALLBACK SECURITY

  Setting      SW2/8

  Disabled      Off

  Enabled       On

  FACTORY CONFIGURED SETTINGS

     Switch         Setting

      Off            SW2/1

       On            SW2/5

                             DIAGNOSTIC LED(S)

   LED          Icon            Status                Condition

    AA           AA               On             Auto-answer enabled

    AA           AA               Off            Auto-answer disabled

    AA           AA            Blinking            Phone is ringing

    ST        Pyramid of          On                Self test mode
                balls

    ST        Pyramid of          Off              Normal operation
                balls

    ST        Pyramid of       Blinking           Self test failure
                balls

    RX        Modem left          On           Modem is receiving data
                arrow

    RX        Modem left          Off        Modem is not receiving data
                arrow

    TX       Modem right          On          Modem is transmitting data
                arrow

    TX       Modem right          Off          Modem is not transmitting
                arrow                                    data

    CD          Phone             On           Carrier signal detected

    CD          Phone             Off        Carrier signal not detected

    HS     Running figure         On             Modem is operating at
                                                  4800bps or faster

    HS     Running figure         Off        Modem is operating at slower
                                                     than 4800bps

    OH       Crossed out          On              Modem is off-hook
                phone

    OH       Crossed out          Off              Modem is on-hook
                phone

    TR           Box              On              DTR signal is high

    TR           Box              Off             DTR signal is low

    MS           Box              On         Modem connected at more than
                                                        24Kbps

    MS           Box              Off        Modem connected at less than
                                                        24Kbps

    MR        Rectangle           On                 Power is on

    MR        Rectangle           Off                Power is off

                         Proprietary AT Command Set

                                 CALLER ID

  Type:          Configuration

  Format:        AT [cmds] #CID=n [cmds]

  Example:       AT #CID=2<CR>

  Description:   Controls the Caller ID function.

  Command                                Function

   #CID=0       Caller ID disabled.

  #CID=1         Caller ID displays formatted data.

  #CID=2         Caller ID displays raw hexadecimal data.

                             CALLER ID DISPLAY

  Type:          Immediate

  Format:        AT [cmds] #CID? [cmds]

  Example:       AT#CID?<CR>

  Description:   Displays current caller ID status.

      BIT-MAPPED REGISTER FACTORY DEFAULTS

        Register                Default

          S21                      4

          S23                     54

          S27                      9

          S28                      0

          S29                      0

          S31                      2

          S40              105 (MNP models)

          S40            107 (non MNP models)

          S41                      3

                          BIT-MAPPED REGISTER S22

  Format                   AT [cmds] S22=n [cmds]

  Example:                 ATS22=117<CR>

  Default:                 117

  Range:                   0-127

  Unit:                    Bit-mapped

  Description:             Controls speaker volume and controls, and
                           limits results codes.

       Bit          Value                       Function

       1, 0          01       On volume.

                    10         Medium level volume.

                    11         High level volume.

       3, 2         00         Speaker off.

                     01       Speaker off on carrier.

                    10         Speaker always on.

                    11         Speaker on during handshake.

     6, 5, 4        000        Basic result codes only enabled.

                    100        Basic and connection speed result codes
                               enabled.
                    101
                               Basic and connection speed result codes
                    110        and dialtone detection enabled.

                     111      All result codes except dialtone detection
                               enabled.

                               All result codes enabled.

                          CALLER ID HELP DISPLAY

  Type:          Immediate

  Format:        AT [cmds] #CID=? [cmds]

  Example:       AT#CID=?<CR>

  Description:   Displays modems caller ID capability.

                          CELLULAR TRANSMIT LEVEL

  Type:          Register/Immediate

  Format:        AT [cmds] S201=n [cmds]

  Example:       ATS201=6<CR>

  Default:       63

  Range:         1-63

  Unit:          Unidentified

  Description:   Selects cellular transmit level.

                      DISPLAY CURRENT COMMAND STATUS

  Type:          Immediate

  Format:        AT [cmds] \S [cmds]

  Example:       AT &Z2=9W1-303-555-1212 \S<CR>

  Description:   Displays current setting of modem commands.

                          DISPLAY DELAYED NUMBERS

  Type:                Immediate

  Format:              *D

  Example:             *D<CR>

  Description:         Requests the list of delayed numbers from the
                       modem. This is a list of numbers that the modem
                       attempted to call and and failed, and is not
                       allowed to call again until a set amount of time
                       has elapsed. This is usually to prevent repeated
                       dialing of a number (which could indicate an
                       attempted security breach.).

                         DISPLAY FORBIDDEN NUMBERS

  Type:                Immediate

  Format:              *B

  Example:             *B<CR>

  Description:         Requests the list of forbidden numbers from the
                       modem. The modem is unable to dial numbers on this
                       list until its power has been cycled.

                          DISPLAY STORED NUMBERS

  Type:          Immediate

  Format:        AT [cmds] \F? [cmds]

  Example:       AT \F2=9W1-303-555-1212 \F?<CR>

  Description:   Displays all stored phone numbers.

                         ERROR CORRECTION DISPLAY

  Type:          Configuration

  Format:        AT [cmds] Wn [cmds]

  Example:       AT W0 &W<CR>

  Description:   Selects connect display format.

  Command                                Function

       W0        Display serial port speed enabled.

       W1        Display line speed, MNP, and serial port speed enabled.

       W2        Display line speed enabled.

                       FAX TRANSMISSION ATTENUATION

  Type:          Register

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

  Example:       ATS92=6<CR>

  Default:       10

  Range:         1- 15

  Unit:          1 dBm

  Description:   Selects fax attenuation level.

                         FLASH DIAL MODIFIER TIME

  Format                AT [cmds] S29=n [cmds]

  Example:              ATS29=0<CR>

  Default:              0

  Range:                0-255

  Unit:                 10 ms

  Description:          Time the modem will go on-hook upon receiving the
                        ! dial modifier in dial string.

                       FLOW CONTROL CHARACTER - XOFF

  Type:          Register

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

  Example:       ATS33=20<CR>

  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]

  Example:       ATS32=20<CR>

  Default:       17

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the character used to represent XON.

                              LOOPBACK TESTS

  Format              AT [cmds] S16=n [cmds]

  Example:            ATS16=32<CR>

  Default:            0

  Range:              0 - 125

  Unit:               Bit-mapped

  Description:        Enables loopback tests.

  Note:               Bit 3 is read-only.

     Bit       Value                         Function

      0         0       Local analog loopback test disabled.

               1         Local analog loopback test enabled.

      1        0         Not used.

      2         0       Local digital loopback test disabled.

               1         Local digital loopback test enabled.

      3         0       Modem is not performing remote digital loopback
                         test.
               1
                         Modem is performing remote digital loopback
                         test.

      4         0       Remote digital loopback test disabled.

               1         Remote digital loopback test enabled.

      5         0       Remote digital loopback with local self-test
                         disabled.
               1
                         Remote digital loopback with local self-test
                         enabled.

      6         0       Local analog loopback with local self-test
                         disabled.
               1
                         Local analog loopback with local self-test
                         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.34

   x=11               V.34

        x=64           Bell 103A

        x=69           Bell 212A

        x=74           V.FC

   y=1                Auto-detect highest speed enabled.

         y=0           Automode disabled.

      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.

  Note: Default for z is 300bps. Default for a is 28800.

                       MODULATION SELECTION DISPLAY

  Type:          Immediate

  Format:        AT [cmds] +MS?

  Example:       AT +MS? <CR>

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

                                SLEEP TIMER

  Format                  AT [cmds] S24=n [cmds]

  Example:                ATS24=40<CR>

  Default:                1

  Range:                  0 - 255

  Unit:                   1 second

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

