
ZOLTRIX

14.4 VOICE FAX/MODEM

Modem Type                 Data (Asynchronous/Synchronous)/Fax/Voice
Maximum Data Rate          14.4K bps
Maximum Fax Rate           14.4K bps
Data Bus                   16-bit ISA
Fax Class                  Class 2
Data Modulation Protocol   Bell 103 & 212A, CCITT V.32bis, V.32, V.22bis,
                           V.22 & V.21
Fax Modulation Protocol    CCITT V.29, V.27ter, V.21 & V.17, GRP III
Error                      CCITT V.42bis & V.42, MNP5 & MNP4
Correction/Compression

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                            CONNECTIONS

       Purpose          Location         Purpose         Location

  Line out                CN1      Microphone jack          CN3

  Line in                 CN2      Speaker jack             CN4

                   INTERRUPT SELECT

   IRQ      SW1/1   SW1/2    SW1/3    SW1/4    SW1/7

   IRQ3     off     off      off       on      off

   IRQ2      off     off      off      off       on

   IRQ4      off     off       on      off      off

   IRQ5      off      on      off      off      off

   IRQ7      on      off      off      off      off

      COM PORT SETTINGS

   COM      SW1/5    SW1/6

   COM2     off       on

   COM1      on        on

   COM3      on       off

   COM4      off      off

                     \An PROPRIETARY COMMAND

  Note:     Sets the maximum MNP block size.

  Command                         Protocol

    \A2    Set maximum block size to 192 characters.

    \A0     Set maximum block size to 64 characters.

    \A1     Set maximum block size to 128 characters.

    \A3     Set maximum block size to 256 characters.

                          \Bn PROPRIETARY COMMAND

  Note:         Sends a break signal to the remote modem during a non-MNP
                connection.

   Command                              Protocol

     \B3       Sends a 300ms break.

     \B0        \Bn command disabled.

     \B1        Sends a 100ms break.

     \B2        Sends a 200ms break.

     \B4        Sends a 400ms break.

     \B5        Sends a 500ms break.

     \B6        Sends a 600ms break.

     \B7        Sends a 700ms break.

     \B8        Sends a 800ms break.

     \B9        Sends a 900ms break.

                     /Gn PROPRIETARY COMMAND

  Note:     Enables/disables modem-to-modem flow control.

  Command                         Protocol

    \G0    Modem-to-modem flow control disabled.

    \G1     Modem-to-modem flow control enabled.

                          /Kn PROPRIETARY COMMAND

  Note:            Selects the modem response when a break signal is
                   detected from the DTE or remote modem.

     Command                              Protocol

                   (1) Break signal from DTE, normal/MNP mode: modem
                   sends a break signal to the remote modem in sequence
       \K5        with transmitted data.

                   (2) Break signal from remote modem, normal mode: modem
                   returns break signal in sequence with buffered data.

                   (3) Break signal from DTE, direct mode: modem sends a
                   break signal to the remote modem.

                          /Kn PROPRIETARY COMMAND

     Command                              Protocol

                    (1) Break signal from DTE, normal/MNP mode: modem
                    does not send break signal to the remote modem and
       \K0          enters the command mode.

                    (2) Break signal from remote modem, normal mode:
                    modem clears terminal and modem buffers, then returns
                    break signal.

                    (3) Break signal from DTE, direct mode: modem sends a
                    break to the remote modem, then enters the command
                    mode.

                    (1) Break signal from DTE, normal/MNP mode: modem
                    clears terminal and modem buffers, then sends a break
       \K1          signal to the remote modem.

                    (2) Break signal from remote modem, normal mode:
                    modem clears terminal and modem buffers, then returns
                    break signal.

                    (3) Break signal from DTE, direct mode: modem sends a
                    break to the remote modem, then enters the command
                    mode.

                    (1) Break signal from DTE, normal/MNP mode: modem
                    does not send break signal to the remote modem and
       \K2          enters the command mode.

                    (2) Break signal from remote modem, normal mode:
                    modem does not clear buffers and returns a break
                    signal

                    (3) Break signal from DTE, direct mode: modem sends a
                    break signal to the remote modem.

                    (1) Break signal from DTE, normal/MNP mode: modem
                    does not clear buffers and sends a break signal to
       \K3          the remote modem.

                    (2) Break signal from remote modem, normal mode:
                    modem does not clear buffers and returns a break
                    signal

                    (3) Break signal from DTE, direct mode: modem sends a
                    break to the remote modem, then enters the command
                    mode.

                    (1) Break signal from DTE, normal/MNP mode: modem
                    does not send break signal to the remote modem and
       \K4          enters the command mode.

                    (2) Break signal from remote modem, normal mode:
                    modem returns break signal in sequence with buffered
                    data.

                    (3) Break signal from DTE, direct mode: modem sends a
                    break signal to the remote modem.



                     /Ln PROPRIETARY COMMAND

  Note:     Enables block or stream mode for MNP connections.

  Command                         Protocol

    \L0    Stream mode for MNP links enabled.

    \L1     Block mode for MNP links enabled.

                      /Nn PROPRIETARY COMMAND

  Note:      Selects the Error-Correction Operating Mode.

  Command                          Protocol

    \L3     Auto-Reliable Link mode enabled (&Q5, S36=7, S48=7).

    \N0      Normal mode enabled (&Q6).

    \N1      Direct mode enabled (&Q0).

    \N2      Reliable Link mode enabled (&Q5, S36=4, S48=7).



                        /Nn PROPRIETARY COMMAND

  Command                            Protocol

    \N4      LAPM error correction mode enabled (&Q5, S48=0).

    \N5      MNP error correction mode enabled (&Q5, S36=4, S48=128).

                          %Cn PROPRIETARY COMMAND

  Note:         Selects data compression options. Applies only to
                V.42bis/V.42 protocols.

    Command                             Protocol

      %C3      V.42bis and MNP5 data compression enabled.

      %C0       Data compression disabled.

      %C1       MNP5 data compression enabled.

      %C2       V.42bis data compression enabled.

                          %En PROPRIETARY COMMAND

  Note:           Selects line quality monitor and auto-retrain options.
                  Applies only to V.42bis/V.42 protocols.

    Command                              Protocol

      %E0        Line quality monitor and auto-retrain function
                  disabled.

      %E1         Line quality monitor and auto-retrain function enabled.

      %E2         Line quality monitor, auto-retrain function, and auto
                  fall-back/fall-forward function enabled.

      %E3         Line quality monitor and auto-retrain function enabled,
                  hang up when Eye Quality Monitor threshold reached.

                          %L PROPRIETARY COMMAND

  Note:           Reports received signal level in dBm, from 090 (9dBm)
                  to 043 (43dBm). Applies only to V.42bis/V.42 protocols.

                          %Q PROPRIETARY COMMAND

  Note:           Reports line signal quality according to the
                  signal/noise ratio (dBm). Applies only to V.42bis/V.42
                  protocols.

