
PENRIL DATABILITY NETWORKS

DX144

Modem Type                   Data (synchronous/asynchronous)/Fax
Maximum Data Rate            14.4Kbps
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
Fax Modulation Protocol      ITU-T V.17, V.21, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

         Purpose           Location            Purpose           Location

  Lease line out              CN1       Diagnostic connector       CN4

  Line in                     CN2       AC power                   CN5

  RS-232/422                  CN3       Data/Voice                 BT1

                    A/A1 - MI/MIC CONTROL

    Control Type             JP3                  JP4

   A/A1 control.      Pin 1 & 2 closed.   Pin 1 & 2 closed.

   MI/MIC control.     Pin 2 & 3 closed.   Pin 2 & 3 closed.

  FACTORY CONFIGURED SETTINGS - DO NOT ALTER

        Jumper                 Settings

          JP1             Pin 2 & 3 closed.

          JP2             Pin 2 & 3 closed.

          JP5             Pin 2 & 3 closed.

          JP6             Pin 2 & 3 closed.

                            FRAME/SIGNAL GROUND

             Ground Type                               JP7

  Frame and signal ground connected.            Pin 1 & 2 closed.

   Frame and signal ground not                 Pin 2 & 3 closed.
  connected.

                             DIAGNOSTIC LED(S)

    LED         Color         Status                 Condition

     HS          Red            On          Modem is operating at 7200bps
                                                     or faster

     HS          Red            Off         Modem is operating at slower
                                                    than 7200bps

     AA          Red            On              Auto-answer enabled

     AA          Red            Off             Auto-answer disabled

     AA          Red         Blinking             Phone is ringing

     CD          Red            On            Carrier signal detected

     CD          Red            Off         Carrier signal not detected

     OH          Red            On               Modem is off-hook

     OH          Red            Off               Modem is on-hook

     RD          Red            On            Modem is receiving data

     RD          Red            Off         Modem is not receiving data

     SD          Red            On           Modem is transmitting data

     SD          Red            Off        Modem is not transmitting data

     TR          Red            On               DTR signal is high

     TR          Red            Off              DTR signal is low

     TR          Red         Blinking                Voice mode

     MR          Red            On                    Modem is ready

     MR          Red            Off              Modem is not ready

     MR          Red         Blinking            Test mode enabled

                         Proprietary AT Command Set

                          ADMINISTRATIVE PASSWORD

  Type:          Configuration

  Format:        AT [cmds] /A

  Example:       AT &Z=/ASECURITY<CR>

  Description:   Set administrative password; password-protects use of
                 certain Hayes commands.

  Note           SECURITY is the modems default password.

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Example:       AT %E1 <CR>

  Description:   Selects auto-retrain mode.

    Command                              Function

      %E0        Auto-retrain disabled.

   %E1          Auto-retrain enabled.

                       BUFFER MODE/SPEED CONVERSION

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Example:       AT \B1 &W <CR>

  Description:   Controls buffer mode/speed conversion

    Command                              Function

      \B0        Speed conversion disabled.

   \B1          Speed conversion enabled.

                           CARRIER DETECT LEVEL

  Type:          Register

  Format:        AT [cmds] S46=n [cmds]

  Example:       AT S46=16 <CR>

  Description:   Selects CD level for dial-up and leased line
                 application.

  Command                              Leased line

  0              -26dBm

  16             -33dBm

  32             -43dBm

                       CONNECTION SPEED LOWER LIMIT

  Format         AT [cmds] S44=n [cmds]

  Example:       AT S44=14 <CR>

  Default:       14

  Range:         6 - 15

  Unit:          Bit-mapped

  Description:   Selects minimum data rate.

    Command                              Function

       6         Select 14.4Kbps speed.

       7         Select 12Kbps speed.

       8         Select 9600bps speed.

       9         Select 7200bps speed.

       10        Select 4800bps speed.

       11        Select 2400bps speed.

       12        Select 1200bps speed.

   14           Select 0 - 300bps speed.

                       CONNECTION SPEED UPPER LIMIT

  Format         AT [cmds] S43=n [cmds]

  Example:       AT S43=6 <CR>

  Default:       6

  Range:         6 - 16

  Unit:          Bit-mapped

  Description:   Selects maximum data rate.

    Command                              Function

   6            Select 14.4Kbps speed.

       7         Select 12Kbps speed.

       8         Select 9600bps speed.

       9         Select 7200bps speed.

       10        Select 4800bps speed.

       11        Select 2400bps speed.

       12        Select 1200bps speed.

       14        Select 0 - 300bps speed.

       15        Select 1200/75bps speed.

       16        Select EIA control.

                                   DIAL

  Type:                Immediate

  Format:              AT [cmds] D<#> [; cmds]

  Example:             AT H1 DT 9W *70, 1(303) 555-1212<CR>

  Description:         Dials telephone number according to any modifiers
                       included in the string.

       Modifier                             Function

          DL           Links a stored phone number to another number as
                       an alternate.

          DP           Pulse dialing enabled.

         DS=c          Number in memory location c dialed.

          DT           Tone dialing enabled.

          DW           Dialing resumed following dial tone detection.

          D:           Dialing resumed following dial tone detection.

         D/R           Modem is configured for Dial Line Auto-Recovery.

          D,           Dialing paused for amount of time specified in S8
                       register.

          D<           Dialing paused for amount of time specified in S8
                       register.

          D;           Modem returned to command mode after dialing.

          D&           Flash function initiated. Modem commanded to go
                       on-hook for specified time.

          D!           Flash function initiated. Modem commanded to go
                       on-hook for specified time.

          D@           Modem waits for a ring-back signal followed by
                       silence up to the time specified in S7 prior to
                       executing the rest of the dial string.

                              DIALING MESSAGE

  Type:          Configuration

  Format:        AT [cmds] \Dn [cmds]

  Example:       AT \D0 &W <CR>

  Description:   Controls dialing message.

    Command                              Function

   \D0          "Dialing" message disabled.

      \D1        "Dialing" message enabled.

                                 DTE SPEED

  Type:          Register

  Format:        AT [cmds] S61n [cmds]

  Example:       AT S61=2 <CR>

  Description:   Selects the current DTE speed.

    Command                              Function

       0         Select 115.2Kbps speed.

       1         Select 57.6Kbps speed.

   2            Select 38.4Kbps speed.

       3         Select 19.2Kbps speed.

       4         Select 9600bps speed.

       5         Select 7200bps speed.

       6         Select 4800bps speed.

       7         Select 2400bps speed.

       8         Select 1800bps speed.

       9         Select 1200bps speed.

       10        Select 600bps speed.

       11        Select 300bps speed.

                             INACTIVITY TIMER

  Type:             Immediate

  Format:           AT [cmds] \T=n [cmds]

  Example:          AT \T=0 <CR>

  Default:          0

  Range:            0 - 90

  Unit:             1 minutes

  Description:      Sets the length of time that the modem does not
                    receive information before it disconnects.

                         MANUAL RESPONSE PASSWORD

  Type:          Configuration

  Format:        AT [cmds] /P

  Example:       AT &Z22=/PBLUE<CR> or AT &Z42=5551212/PGREEN<CR>

  Description:   Sets password for Manual response password; with or
                 without callback.

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Example:       AT \A3 \B0 <CR>

  Description:   Sets the maximum transmittable block size.

    Command                              Function

      \A0        Maximum MNP block size is 64 characters.

      \A1        Maximum MNP block size is 128 characters.

      \A2        Maximum MNP block size is 192 characters.

   \A3          Maximum MNP block size is 256 characters.

                             MNP CLASS - LIMIT

  Type:          Configuration

  Format:        AT [cmds] \Cn [cmds]

  Example:       AT \C5 &W <CR>

  Description:   Selects MNP class.

  Note:          This option is not in effect until modem goes off-line.

    Command                              Function

      \C1        MNP class 1.

      \C2        MNP class 1 & 2.

      \C3        MNP class 1 - 3.

      \C4        MNP class 1 - 4.

   \C5          MNP class 1- 5.

                               PRODUCT CODE

  Type:          Configuration

  Format:        AT [cmds] In [cmds]

  Example:       AT I0 &W <CR>

  Description:   Selects product code or checksum.

    Command                              Function

       I0        Request product code.

       I1        Request checksum for the ALX modems software.

       I2        Request verification of software checksum.

       I3        Request the following for each EPROM chip, part and
                 revision number

                     RECEIVE/TRANSMIT SPACE DISCONNECT

  Type:          Configuration

  Format:        AT [cmds] Yn [cmds]

  Example:       AT Y1 &W <CR>

  Description:   Controls receive/transmit space disconnect.

    Command                              Function

       Y0        Receive space connect and transmit space disconnect
                 disabled.

   Y1           Receive space connect and transmit space disconnect
                 enabled.

       Y2        Transmit space disconnect enabled; receive space
                 disconnect disabled.

       Y3        Receive space disconnect enabled; transmit space
                 disconnect disabled.

                           TRANSMIT LEVEL - DIAL

  Type:          Configuration

  Format:        AT [cmds] -Ln [cmds]

  Example:       AT -L1 &W <CR>

  Description:   Controls transmit level.

    Command                              Function

      -L0        Permissive transmit level enabled.

   -L1          Programmable transmit level enabled.

                         USER-DEFINED TEXT STRING

  Type:          Configuration

  Format:        AT [cmds] /U

  Example:       AT &Z0=/UGORDO<CR>

  Description:   Sends a response to remote terminal user after valid
                 password is received.

                               V.25bis MODE

  Type:          Configuration

  Format:        AT [cmds] %Vn [cmds]

  Example:       AT %V2 &W <CR>

  Description:   Selects V.25bis mode.

    Command                              Function

      %V0        Hayes mode disabled, V.25bis mode asynchronous enabled.

      %V1        V.25bis mode, sync bit oriented (HDLC) enabled.

      %V2        V.25bis mode, synchronous character oriented enabled.

                                 V.32 MODE

  Type:          Configuration

  Format:        AT [cmds] -Cn [cmds]

  Example:       AT -C1 &W<CR>

  Description:   Selects either V.32 extended or V.32bis mode.

    Command                              Function

      -C0        V.32 extended mode enabled.

   -C1          V.32bis mode enabled.

                            V.42 BREAK HANDLING

  Type:          Configuration

  Format:        AT [cmds] \Kn [cmds]

  Example:       AT \K3 &W <CR>

  Description:   Selects the type of break in V.42.

    Command                              Function

      \K0        Normal break handling enabled.

      \K1        Destructive/expedited break handling enabled.

      \K2        Non-destructive/expedited break handling enabled.

   \K3          Non-Destructive/non-expedited break handling enabled.

                              V.42 DETECTION

  Type:          Configuration

  Format:        AT [cmds] \En [cmds]

  Example:       AT \E1 &W <CR>

  Description:   Controls V.42 detection.

    Command                              Function

      \E0        V.42 detection disabled.

   \E1          V.42 detection enabled.

                             V.42 FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Example:       AT \Q3 &W <CR>

  Description:   Controls

    Command                              Function

      \Q0        Flow control disabled.

      \Q1        RTS/CTS flow control enabled.

      \Q2        DC1/DC2 flow control enabled.

   \Q3          DC1/DC3 flow control enabled.

                                 V.42 MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Example:       AT \N3 &W <CR>

  Description:   Controls V.42 mode.

    Command                              Function

      \N0        Error correction disabled.

      \N1        Mandatory mode for error correction enabled.

      \N2        V.42 error correction enabled.

   \N3          Automatic mode for error correction enabled.

                      V.42 PASS-THROUGH FLOW CONRTOL

  Type:                 Configuration

  Format:               AT [cmds] \Xn [cmds]

  Example:              AT \X7 &W <CR>

  Description:          Controls both DTE and DCE pass-through flow
                        control.

        Command            DTE pass-through          DCE pass-through

   \X0                 DTE and DCE               DTE and DCE
                        pass-through flow         pass-through flow
                        disabled.                 disabled.

          \X1           DTE and DCE               DTE and DCE
                        pass-through flow         pass-through flow
                        enabled.                  Enabled.

        \X1, 0          DTE pass-through flow     DCE pass-through flow
                        enabled.                  disabled.

        \X0, 1          DTE pass-through flow     DCE pass-through flow
                        disabled.                 enabled.

                               V.42 PROTOCOL

  Type:          Configuration

  Format:        AT [cmds] \Pn [cmds]

  Example:       AT \P2 &W <CR>

  Description:   Selects V.42 protocol.

    Command                              Function

      \P0        LAPM protocol enabled.

      \P1        MNP protocol enabled.

   \P2          LAPM/MNP protocol enabled.

                             V.42 RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Example:       AT \V1 %C1 <CR>

  Description:   Selects V.42 result codes.

    Command                              Function

      \V0        Regular V.42 result codes disabled.

   \V1          Extended V.42 result codes enabled.

                             V.42bis OPERATION

  Type:          Configuration

  Format:        AT [cmds] \Mn [cmds]

  Example:       AT \M0 &W <CR>

  Description:   Controls V.42bis operation.

    Command                              Function

   \M0          V.42bis enabled.

      \M1        V.42bis disabled.

                           V.42bis STRING LENGTH

  Type:          Immediate

  Format:        AT [cmds] \H=n [cmds]

  Example:       AT \H=13 <CR>

  Default:       16

  Range:         6 - 250

  Unit:          ASCII

  Description:   Sets the string length in V.42bis.

                      VIEW V.42-RELATED CONFIGURATION

  Type:          Configuration

  Format:        AT [cmds] \Sn [cmds]

  Example:       AT \S &W <CR>

  Description:   Shows the status of V.42 configuration.

                      Proprietary V.25bis Command Set

                          CALL FAILURE INDICATOR

  Type:               Response

  Format:             CFIxx

    Description:      Indicates that the attempt to connect failed.

      Response            Name                   Description:

        CFIAB            Abort       The call was aborted because either
                                     no dialtone was detected or a
                                     character was received from the host
                                     computer.

        CFICB           DCE Busy     An incoming call was detected after
                                     the dialing command was issued.

        CFIET         Engaged Tone   A busy signal was detected.

        CFIND           No Dial      Modem didnt detect a dailtone.

        CFINS          Not Stored    The memory address given did not
                                     contain a valid telephone number.

        CFINT           No Tone      The remote party did not issue a
                                     response tone.

        CFIRT          Ring Tone     A responding tone was detected, but
                                     the call timed out before it was
                                     completed.

                             COMMAND SET - AT

  Type:          Immediate

  Format:        RHA

  Example:       RHA<CR>

  Description:   Switch to AT command set.

                                CONNECTION

  Type:          Response

  Format:        CNX

  Description:   A connection has been successfully established.

                                  INVALID

  Type:            Response

  Format:          INVxx

  Example:         INVCU

  Description:     The modem was issued an improper command. The two
                   letters following indicate the error.

      Code                                Meaning

      INVCU        An error occurred in transmission.

      INVMS        The command was too long or was followed by a
                   semicolon.

      INVPS        An improper number parameters were issued.

      INVPV        The parameters were ignored or invalid.

                            STORED NUMBERS LIST

  Type:                 Result code

  Format:               LSNxxxx

  Example:              LSN 443-3388

  Description:          Displays stored numbers. xxxx may specify a
                        memory location, phone number, or status. If no
                        code was specified with RLN, all stored numbers
                        are displayed.

