ATI TECHNOLOGIES, INC.

2400 ETC-I, 2400 ETC-FAX

Card Type                    Modem (synchronous/asynchronous)
Chip Set                     ATI
Maximum Data Rate            2400bps
Maximum Fax Rate             9600bps
Data Bus                     8-bit ISA
Fax Class                    Class I
Data Modulation Protocol     Bell 103A/212A

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

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                                CONNECTIONS

         Function            Label            Function             Label

  Line in                         CN1       Line out                CN2

                            SERIAL PORT ADDRESS

      COM          IRQ       SW1/1       SW1/2       SW1/3       SW1/4

  COM1: (3F8h)      4          On         Off         Off         Off

  COM2: (2F8h)      3         Off          On         Off         Off

  COM3: (3E8h)      4         Off         Off          On         Off

  COM4: (2E8h)      3         Off         Off         Off          On

  COM1: (3F8h)    Set by       On         Off         Off         Off
                   JP1

  COM2: (2F8h)    Set by       On         Off          On          On
                   JP1

  COM3: (3E8h)    Set by      Off         Off          On         Off
                   JP1

  COM4: (2E8h)    Set by       On          On          On         Off
                   JP1

                                 INTERRUPT

     Setting           JP1/A         JP1/B         JP1/C         JP1/D

       IRQ2           Closed         Open          Open          Open

       IRQ3            Open         Closed         Open          Open

      IRQ4 or          Open          Open         Closed         Open
    automatic

       IRQ5            Open          Open          Open         Closed

                         Proprietary AT Command Set

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:                  Register

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

  Default:               13

  Range:                 0-127

  Unit:                  1 ASCII character

  Description:           Sets the character used as the auto-reliable
                         fallback character. S46=0 will disable this
                         function.

                                BREAK TYPE

  Type:           Configuration

  Format:         AT [cmds] &In [cmds]

  Description:    Sets the modem’s response to a break signal.

     Command                             Function

       &I0        Send break with transmitted data.

       &I1        Send break to remote modem immediately.

       &I2        Send break to remote modem immediately, modem buffers
                  cleared.

                             DATA COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] &Un [cmds]

  Description:   Selects data compression.

    Command                              Function

      &U0        Data compression disabled.

      &U1        Data compression enabled.

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] &Kn [cmds]

  Description:   Enables flow control options.

    Command                              Function

      &K0        Flow control disabled.

      &K3        RTS/CTS flow control enabled.

      &K4        XON/XOFF flow control enabled.

      &K8        Transparent remote XON/XOFF flow control enabled.

      &K12       Transparent XON/XOFF flow control enabled.

                             INACTIVITY TIMER

  Type:                  Register

  Format:                AT [cmds] S40=n [cmds]

  Default:               0

  Range:                 1-255

  Unit:                  1 minute

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

                              REDIAL ATTEMPTS

  Type:             Register

  Format:           AT [cmds] S41=n [cmds]

  Default:          0

  Range:            0-10

  Unit:             1 attempt

  Description:      Sets the number of times the modem will attempt to
                    redial a busy call.