
PRACTICAL PERIPHERALS, INC.

PC288HC V.FC

Card Type                    Fax, Modem (asynchronous)
Chip Set                     Unidentified
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     8-bit ISA
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.34

                             Rockwell V.FC
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, 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)        On            Off

  COM3 (3E8h)       Off            On

  COM4 (2E8h)       Off            Off

                 INTERRUPT

  Setting    JP1/A      JP1/B      JP1/C

     2        Open      Closed     Open

     3       Closed      Open      Open

     4       Closed      Open      Open

     5        Open       Open     Closed

                         Proprietary AT Command Set

                                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

                             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:                  ATS30=0 will disable timer

                                   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

           L             Re-dial last number

           P             Pulse dialing enabled

           R             Answer mode enabled, originate mode disabled
                         following handshake initiation

          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

           "             Letters enclosed in quotes are interpreted as
                         numbers according to the telephone keypad

           !             Modem commanded to go off-hook for specified
                         time before returning on-hook

           @             Wait for quiet answer

           $             Waits for prompt tone for amount of time
                         specified by the S7 register

           ;             Modem returned to command state after dialing

                            REPORT INFORMATION

  Type:              Immediate

  Format:            AT [cmds] In [cmds]

  Description:       Displays information requested

      Command                             Function

        I0           Reports product code

        I1           Reports ROM checksum

        I2           Tests and reports ROM checksum

        I3           Reports firmware revision

        I4           Returns numbers in bit-map format on software
                     capabilities of the modem

        I6           Reports data connection information

                               HELP SCREENS

  Type:               Immediate

  Format:             AT [cmds] $H [cmds]

  Description:        Display help screens. To page forward use <space
                      bar>, and to exit use <ESC>

                                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

                               CLOCK DOUBLER

  Type:          Configuration

  Format:        AT [cmds] %BAUDn [cmds]

  Description:   Controls clock doubler at the UART

    Command                              Function

     %BAUD?       Reports current clock doubler setting

    %BAUD=?       Reports available clock doubler modes

     %BAUD0       Standard UART speed / clock doubler disabled

     %BAUD1       Double specified UART speed clock doubler enabled

                                 CALLER ID

  Type:          Configuration

  Format:        AT [cmds] %CCID=n [cmds]

  Description:   Controls the Caller ID function

    Command                              Function

    %CCID=0      Caller ID disabled

    %CCID=1      Caller ID displays formatted data

    %CCID=2      Caller ID displays raw hexadecimal data

                                 DUMB MODE

  Type:          Configuration

  Format:        AT [cmds] %DUMBn [cmds]

  Description:   Controls command recognition and result codes, dumb mode

    Command                              Function

     %DUMB0       Dumb mode disabled

     %DUMB1       Dumb mode enabled

                 AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Description:   Controls auto-retrain mode and fallback/fall-forward

    Command                              Function

      %E0        Auto-retrain disabled

      %E1        Auto-retrain enabled

      %E2        Auto-fallback/fall-forward enabled

                             LINE SIGNAL LEVEL

  Type:           Immediate

  Format:         AT [cmds] %L [cmds]

  Description:    Returns a value which indicates the received line
                  signal level

                            LINE SIGNAL QUALITY

  Type:          Immediate

  Format:        AT [cmds] %Q [cmds]

  Description:   Returns a value which indicates line signal quality
                 (-dBm)

                    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

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Default:       3

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem

                  AUTO-RELIABLE TIME BUFFER CONFIGURATION

  Type:                  Configuration

  Format:                AT [cmds] \Cn [cmds]

  Description:           Controls the handling of incoming data during
                         auto-reliable time period

        Command                              Function

          \C0            Data is discarded

          \C1            Data is buffered

          \C2            Data is discarded; modem returns to normal mode
                         on receiving auto-reliable fallback character.

                                 ECHO DATA

  Type:          Configuration

  Format:        AT [cmds] \En [cmds]

  Description:   Enables modem to echo received data

    Command                              Function

      \E0        Data echo disabled

      \E1        Data echo enabled

                               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

                             LOCK SERIAL PORT

  Type:          Configuration

  Format:        AT [cmds] \Jn [cmds]

  Description:   Sets operation of serial port speed

    Command                              Function

      \J0        Serial speed locked

      \J1        Serial speed follows connect speed

                                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      buffered cleared
                  to remote modem

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

                          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

                               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

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Description:   Sets type of flow control used by modem

    Command                              Function

      \Q0        Flow control disabled

      \Q1        XON/XOFF flow control enabled

      \Q2        CTS flow control by DCE enabled

      \Q3        RTS/CTS flow control enabled

                           CURRENT CONFIGURATION

  Type:          Immediate

  Format:        AT [cmds] \S [cmds]

  Description:   Displays current operating parameters

                             INACTIVITY TIMER

  Type:                  Configuration

  Format:                AT [cmds] \Tn [cmds]

  Default:               0

  Range:                 0-90

  Unit:                  1 minute

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

  Note:                  AT\T0 will disable timer

                        EXTENDED RESULT CODES - MNP

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Description:   Selects extended result codes (MNP)

    Command                              Function

      \V0        Extended result codes disabled

      \V1        Extended result codes enabled

                           XON/XOFF PASS-THROUGH

  Type:          Configuration

  Format:        AT [cmds] \Xn [cmds]

  Description:   Selects whether XON/XOFF signals are sent to remote
                 modem

    Command                              Function

      \X0        XON/XOFF signals trapped by local modem

      \X1        XON/XOFF passed through local modem

