
COMPUTER PERIPHERALS, INC.

VIVA 14.4/FAX INTERNAL

Modem Type                   Data (synchronous/asynchronous)/Fax
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     8-bit ISA
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.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

         Purpose           Location            Purpose           Location

  Line out                    CN1       Line in                    CN2

                        BASE I/O ADDRESS SELECTION

      Port           SW1/1         SW1/2         SW1/3          SW1/4

  COM1: (3F8h)        On            Off           Off            Off

  COM2: (2F8h)        Off           On            Off            Off

  COM3: (3E8h)        Off           Off            On            Off

   COM4:             Off           Off           Off             On
  (2E8h)

               INTERRUPT SELECTION

   IRQ      JP1/A     JP1/B    JP1/C     JP1/D

    2       Open      Open      Open     Closed

   3      Closed     Open      Open      Open

    4       Open     Closed     Open      Open

    5       Open      Open     Closed     Open

                         Proprietary AT Command Set

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Description:   Selects auto-retrain mode

  Command                                Function

   %E0          Auto-retrain disabled

      %E1        Auto-retrain enabled

      BIT-MAPPED REGISTERS

    Register        Default

      S14             138

      S16              0

      S21              4

      S22             117

      S23             183

      S27              9

      S28              0

      S31              2

      S40             105

      S41             195

      S80        Unidentified

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Default:       Unidentified

  Range:         Unidentified

  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 from
                                             \B            remote modem

  \K0              Enter command      Buffers cleared    Buffers cleared
                   mode, do not       and break sent     and break sent
                   send break to      to remote modem    to DTE
                   remote modem

  \K1              Buffers cleared    Buffers cleared    Buffers cleared
                   and break sent     and break sent     and break sent
                   to remote modem    to remote modem    to DTE

  \K2              Enter command      Send break to      Send break to
                   mode, do not       remote modem       DTE immediately
                   send break to      immediately
                   remote modem

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

  \K4              Enter command      Send break to      Break sent with
                   mode, do not       remote modem       received data to
                   send break to      with transmitted   the DTE
                   remote modem       data

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

                                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:   Sets connect mode

    Command                              Function

      \N0        Normal mode enabled

      \N1        Direct mode enabled

      \N2        Reliable mode enabled

   \N3          Auto-reliable mode enabled

      \N4        LAP-M mode only enabled

      \N5        MNP mode only enabled

                      DISPLAY CURRENT COMMAND STATUS

  Type:          Immediate

  Format:        AT [cmds] \S [cmds]

  Description:   Displays current setting of modem commands

                          DISPLAY STORED NUMBERS

  Type:          Immediate

  Format:        AT [cmds] \F [cmds]

  Description:   Displays all stored phone numbers

                            FAX TRANSMIT LEVEL

  Type:          Register

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

  Default:       10

  Range:         0-15

  Unit:          -1dBm

  Description:   Controls fax transmission level

                               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 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

                      LEASED LINE TRANSMISSION LEVEL

  Type:          Register

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

  Default:       10

  Range:         0-15

  Unit:          -1 dBm

  Description:   Sets the signal level for transmission when in
                 leased-line mode

                             LINE SIGNAL LEVEL

  Type:          Immediate

  Format:        AT [cmds] %L [cmds]

  Description:   Returns received line signal level

                                 LINE TYPE

  Type:          Configuration

  Format:        AT [cmds] %Mn [cmds]

  Description:   Selects AUXCTL output

    Command                              Function

      %M0        AUXCTL output low enabled

      %M1        AUXCTL output high enabled

                    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

    Command                              Function

   \L0          Stream mode for MNP enabled

      \L1        Block mode for MNP enabled

                            PSTN TRANSMIT LEVEL

  Type:          Register

  Format:        AT [cmds] S91=n [cmds]

  Default:       10

  Range:         0-15

  Unit:          -1dBm

  Description:   Controls PSTN transmission level

                        REPORT LINE SIGNAL QUALITY

  Type:            Immediate

  Format:          AT [cmds] %Q [cmds]

  Description:     Reports line signal quality. If the value is greater
                   than 7, the modem will retrain.

                                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

                              TEST MODE - PTT

  Type:          Immediate

  Format:        AT [cmds] %T [cmds]

  Description:   Send PTT test signals for European line test

                           V.23 SPLIT BAUD MODE

  Type:          Configuration

  Format:        AT [cmds] \Wn [cmds]

  Description:   Controls V.23 split baud mode

    Command                              Function

      \W0        V.23 split baud mode disabled

      \W1        V.23 split baud mode enabled

                           V.23 SPEED DIRECTION

  Type:          Configuration

  Format:        AT [cmds] %Fn [cmds]

  Description:   Selects V.23 speed and direction

  Command                                Function

      %F1        1200bps receive/75bps transmit enabled

      %F2        1200bps transmit/75bps receive enabled

