CARDINAL TECHNOLOGIES, INC.

MB2296SR

Modem Type                   Data (Asynchronous/Synchronous)/Fax
Maximum Data Rate            2400 bps
Maximum Fax Rate             9600 bps
Data Bus                     8-bit ISA
Fax Class                    Class I
Data Modulation Protocol     Bell 103A & 212A

                             ITU-T V.22bis & V.22 & V.21
Fax Modulation Protocol      ITU-T V.29 & V.27 GRP III
Error Correction/Compression None

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                            CONNECTIONS

       Purpose          Location         Purpose         Location

  Line in                 CN1      Line out                 CN2

                             COM PORT SETTINGS

   COM/IRQ           JP1          SW1/1      SW/2      SW1/3      SW1/4

  COM1 & IRQ4   Pins 1 & 8, 2      On         On        On         Off
                  & 7, 3 & 6
                   closed

  COM2 & IRQ3   Pins 2 & 7, 4      Off        On        Off        On
                 & 5 closed

  COM3 & IRQ4   Pins 1 & 8, 3      On        Off        On         Off
                 & 6 closed

  COM4 & IRQ3     Pins 4 & 5       Off       Off        Off        On
                   closed

                          PROPRIETARY COMMAND SET

  Type:                 Configuration

  Format:               ATS(register)=(Command Value)

  Example:              ATS12=50

  Description:          Writes to or reads from a specified register.

       Register          Command Value               Function

         S12                  50          General purpose register,
                                          un-used.

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CARDINAL TECHNOLOGIES, INC.

MB2296SR

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                     I - PROPRIETARY COMMAND

  Note:     The I Command request product code.

  Command                         Protocol

    I3      Request software ID.

    I4      Request configuration.

                   PROPRIETARY RESULT CODES

     Result code           Message            Description

          9              CONNECT 600       Connect at 600bps