
DIGITAN SYSTEMS, INC.

DS144FVM

Card Type                    Fax, Modem (asynchronous), Voice
Chip Set                     Rockwell
I/O Options                  Voice-mail
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     8-bit ISA
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.22, V.22bis, V.32, V.32bis
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

         Function            Label            Function             Label

  Line out                        CN1       Line in                 CN2

            SERIAL PORT ADDRESS

    Setting        SW1/A          SW1/B

  COM1 (3F8h)        On            On

  COM2 (2F8h)       Off            On

  COM3 (3E8h)        On            Off

  COM4 (2E8h)       Off            Off

                            INTERRUPT SELECTION

  Setting    SW1/C      SW1/D      SW1/E     SW1/F      SW1/G     SW1/H

     2         On        Off        Off       Off        Off       Off

     3        Off         On        Off       Off        Off       Off

     4        Off        Off        On        Off        Off       Off

     5        Off        Off        Off        On        Off       Off

     6        Off        Off        Off       Off        On        Off

     7        Off        Off        Off       Off        Off        On

                         Proprietary AT Command Set

                          BIT-MAPPED REGISTER S14

  Format:             AT [cmds] S14=n [cmds]

  Default:            138

  Range:              0-174

  Unit:               Bit-mapped

  Description:        Controls echo, result codes and display, dial mode,
                      and answer/originate mode.

   Bit       Value                         Function

    0             0   Not used

    1              0  Command echo disabled

                  1   Command echo enabled

    2              0  Result codes enabled

                  1   Result codes disabled

    3              0  Display result codes in numeric format

                  1   Display result codes in verbose format

    4             0   Not used

    5              0  Tone dial enabled

                  1   Pulse dial enabled

    6             0   Not used

    7              0  Answer mode enabled

                  1   Originate mode enabled

                          BIT-MAPPED REGISTER S21

  Format               AT [cmds] S21=n [cmds]

  Default:             4

  Range:               0-253

  Unit:                Bit-mapped

  Description:         Selects jack type, CTS/DCD/DSR signals, low DTR
                       action, and user defined profile.

    Bit      Value                          Function

     0             0   Selects RJ-11, RJ-41S, or RJ45S jack

                  1    Selects RJ-12 or RJ-13 jack

     1            0    Not used

     2             0   CTS follows RTS

                  1    CTS forced high

   4, 3           00   DTR signal ignored

                  01   Modem goes to command mode on low DTR

                  10   Modem disconnects on low DTR; Auto-Answer is
                       disabled
                 11
                       Modem is initialized on low DTR

     5             0   DCD forced high

                  1    DCD normal

     6             0   DSR forced high

                  1    DSR normal

     7             0   User defined profile 0

                  1    User defined profile 1

                          BIT-MAPPED REGISTER S22

  Format            AT [cmds] S22=n [cmds]

  Default:          117

  Range:            0-255

  Unit:             Bit-mapped

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

   Bit     Value                          Function

  1, 0         00   Volume off

               01   Low level 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 - 4       000   Basic result codes only enabled

              100   Basic and connection speed result codes enabled

              101   Basic and connection speed result codes and dialtone
                    detection enabled
              110
                    All result codes except dialtone detection enabled
             111
                    All result codes enabled

                          BIT-MAPPED REGISTER S23

  Format                AT [cmds] S23=n [cmds]

  Default:              55

  Range:                0-189

  Unit:                 Bit-mapped

  Description:          Grants/denies remote digital loopback, controls
                        DTE rate and parity, and sets guard tone

    Bit       Value                         Function

     0              0   Remote digital loopback denied

                   1    Remote digital loopback allowed

   3 - 1          000   Sets serial port speed to 0-300bps

                  001   Sets serial port speed to 600bps

                  010   Sets serial port speed to 1200bps

                  011   Sets serial port speed to 2400bps

                  100   Sets serial port speed to 4800bps

                  101   Sets serial port speed to 9600bps

                 110    Sets serial port speed to 19200bps

   5, 4            00   Parity even

                   01   Not used

                   10   Parity odd

                  11    No parity

   7, 6            00   Guard tone disabled

                   01   Guard tone disabled

                  10    Guard tone 1800Hz enabled

                          BIT-MAPPED REGISTER S27

  Format               AT [cmds] S27=n [cmds]

  Default:             73

  Range:               0-111

  Unit:                Bit-mapped

  Description:         Selects synchronous/asynchronous mode, line type,
                       clock source, and ITU-T/Bell modes.

   Bit       Value                          Function

  1, 0            00   Asynchronous mode, serial port speed follows
                       connect speed
                  01
                       Asynchronous off-line command mode and synchronous
                  10   connect mode

                  11   Asynchronous off-line command mode; modem
                       auto-dials first number in directory, then
                       synchronous connect mode

                       Asynchronous off-line command mode on low DTR,
                       synchronous connect mode on high DTR

    2              0   Switched line

                  1    Leased line

    3             1    Not used

  5, 4            00   Local modem generates transmit clock source

                  01   Local DTE generates transmit clock source

                 10    Remote DCE/DTE generates transmit clock source

    6              0   ITU/T mode

                  1    Bell mode

                          BIT-MAPPED REGISTER S28

  Format               AT [cmds] S28=n [cmds]

  Default:             0

  Range:               0-31

  Unit:                Bit-mapped

  Description:         Controls V.23 split speed, transmit/receive speed,
                       pulse dialing and link negotiation.

   Bit       Value                          Function

    0               0  V.23 split speed operation disabled

                   1   V.23 split speed operation enabled

    1               0  75bps transmit, 1200bps receive enabled

                   1   1200bps transmit, 75bps receive enabled

    2              0   Not used

   4, 3            00  39ms make/61ms break at 10pps

                   01  33ms make/67ms break at 10pps

                   10  39ms make/61ms break at 20pps

                  11   33ms make/67ms break at 20pps

    5              0   Not used

   7, 6            00  Link will be negotiated at highest possible speed

                   01  Link will be negotiated at 1200bps

                  10   Link will be negotiated at 4800bps

                          BIT-MAPPED REGISTER S31

  Format:                    AT [cmds] S31=n [cmds]

  Default:                   194

  Range:                     0-255

  Description:               Select automode and extended result code
                             format.

        Bit           Value                     Function

         0                  0   Not used

         1                   0  Auto-mode detection disabled

                            1   In originate mode, handshake begins at
                                line speed designated by the S37
                                register. Modem can shift to a slower
                                speed if necessary.

                                In answer mode, handshake attempted with
                                the following protocols in order -
                                V.32bis, V.32, V.22bis, V.22 or Bell 212,
                                and Bell 103

       3, 2                 00  Enables CONNECT result codes to report
                                DTE speed
                            01
                                Full reporting of CONNECT result codes
                           10
                                Enables CONNECT result codes to report
                                DCE speed

       7 - 4             1100   Not used

                          BIT-MAPPED REGISTER S40

  Format               AT [cmds] S40=n [cmds]

  Default:             105

  Range:               0-255

  Unit:                Bit-mapped

  Description:         Controls MNP extended services, MNP fallback,
                       power level, break handling,

                       and block size.

    Bit      Value                          Function

     0             0   MNP extended services disabled

                  1    MNP extended services enabled

     1             0   MNP10 at 2400 and 1200bps disabled

                  1    MNP10 at 2400 and 1200bps enabled

     2             0   Automatic power level adjustment enabled

                  1    Forced power level adjustment enabled

  5, 4, 3        000   \K0

                 001   \K1

                 010   \K2

                 011   \K3

                 100   \K4

                101    \K5

   7, 6           00   MNP block size is 64 characters

                  01   MNP block size is 128 characters

                  10   MNP block size is 192 characters

                 11    MNP block size is 256 characters

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Default:       3

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem

                                BREAK TYPE

  Type:                    Configuration

  Format:                  AT [cmds] \Kn [cmds]

  Description:             Configures action of break signal

     Command       Break from DTE     Modem receives      Break received
                                            \B          from remote modem

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

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

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

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

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

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

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Description:   Selects data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        MNP5 enabled

      %C2        V.42bis enabled

      %C3        MNP5 and V.42bis enabled

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Description:   Controls the type of connection the modem will operate
                 in

    Command                              Function

      \N0        Normal mode enabled

      \N1        Direct mode enabled

      \N2        Reliable mode enabled

      \N3        Auto-reliable mode enabled

      \N4        V.42 reliable mode enabled

      \N5        MNP reliable mode enabled

                                   DIAL

  Type:                  Immediate

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

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

  Note:                  Any combination of modifiers can be used to
                         produce the desired dial functions in sequence.

        Modifier                             Function

           P             Pulse dialing enabled

           R             Accepted, but not acted upon

          S=n            Dial stored telephone number n

           T             Tone dialing enabled

           W             Dialing resumed following dial tone detection

           ,             Dialing paused for amount of time specified in
                         S8 register

           !             Modem commanded to go off-hook for 750ms before
                         returning on-hook

           @             Wait for quiet answer for 5 seconds

           ;             Modem returned to command state after dialing

                         FLASH DIAL MODIFIER TIME

  Type:                Register

  Format               AT [cmds] S29=n [cmds]

  Default:             70

  Range:               0-255

  Unit:                .01 second

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

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Description:   Selects modem port flow control

    Command                              Function

      \G0        Flow control disabled

      \G1        Flow control enabled

                               FLOW CONTROL

  Type:          Read-only Register

  Format         AT [cmds] S39? [cmds]

  Description:   Displays the current flow control

     Value                               Meaning

       0         Flow control disabled

       3         RTS/CTS flow control enabled

       4         XON/XOFF flow control enabled

       5         Transparent XON/XOFF flow control enabled

       6         Both XON/XOFF and RTS/CTS flow control enabled

                       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

                             INACTIVITY TIMER

  Type:                  Register

  Format                 AT [cmds] S30=n [cmds]

  Default:               0

  Range:                 0-255

  Unit:                  10 seconds

  Description:           Maximum duration of DTE and DCE inactivity
                         allowed prior to initiating hang-up process.

  Note:                  S30=0 disable the timer

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Description:   Sets the maximum transmittable block size

    Command                              Function

      \A0        MNP block size is 64 characters

      \A1        MNP block size is 128 characters

      \A2        MNP block size is 192 characters

      \A3        MNP block size is 256 characters

                          MNP - STREAM/BLOCK MODE

  Type:          Configuration

  Format:        AT [cmds] \Ln [cmds]

  Description:   Selects the transfer mode for MNP link

    Command                              Function

      \L0        Stream mode for MNP enabled

      \L1        Block mode for MNP enabled

                                SLEEP TIMER

  Type:                   Register

  Format                  AT [cmds] S24=n [cmds]

  Default:                0

  Range:                  0-255

  Unit:                   1 second

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

  Note:                   ATS24=0 will disable timer

                                TEST MODES

  Type:              Register

  Format:            AT [cmds] S16=n [cmds]

  Default:           0

  Range:             0-125

  Unit:              Bit-mapped

  Description:       Controls loopback tests: analog, digital, remote
                     digital, and self tests

   Bit      Value                          Function

    0            0   Local analog loopback not in progress

                1    Local analog loopback in progress

    1           0    Not used

    2            0   Local digital loopback not in progress

                1    Local digital loopback in progress

    3            0   Modem not in remote digital loopback

                1    Remote digital loopback in progress

    4            0   Remote digital loopback not requested

                1    Remote digital loopback requested

    5            0   Remote digital loopback w/ self-test not in progress

                1    Remote digital loopback w/ self-test in progress

    6            0   Local analog loopback w/ self-test not in progress

                1    Local analog loopback w/ self-test in progress

                         TRANSMISSION LEVEL - FAX

  Type:          Register

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

  Default:       10

  Range:         0-15

  Unit:          -1 dBm

  Description:   Sets the signal level for transmission while in fax mode

                     TRANSMISSION LEVEL - LEASED-LINE

  Type:          Register

  Format:        AT [cmds] S99=n [cmds]

  Default:       10

  Range:         0-15

  Unit:          -1 dBm

  Description:   Sets the signal level for transmission over leased-lines

                        TRANSMISSION LEVEL - PSTN

  Type          Register

  Format        AT [cmds] S91=n [cmds]

  Default       10

  Range         0-15

  Unit          -1 dBm

  Description   Sets the signal level for transmission over PSTN

