BOCA RESEARCH, INC.

BOCAMODEM M024ID

Modem Type                   Data (asynchronous)
Maximum Data Rate            2400bps
Data Bus                     8-bit ISA
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.22, V.22bis
Error Correction/Compression Unidentified

[Image]

                                CONNECTIONS

         Purpose           Location            Purpose           Location

  Line out                    CN1       Line in                    CN2

                        BASE I/O ADDRESS SELECTION

      Port          JP1/A          JP1/B         JP1/C          JP1/D

  COM1: (3F8h)      Closed         Open           Open           Open

  COM2: (2F8h)       Open         Closed          Open           Open

  » COM3:            Open          Open          Closed          Open
  (3E8h)

  COM4: (2E8h)       Open          Open           Open          Closed

               INTERRUPT SELECTION

   IRQ      JP1/E     JP1/F    JP1/G     JP1/H

  3        Closed     Open      Open      Open

  4         Open     Closed     Open      Open

  » 5       Open      Open     Closed     Open

  7         Open      Open      Open     Closed

                         Proprietary AT Command Set

   BIT-MAPPED REGISTERS

  Registers    Default

     S14         138

     S21          4

     S22         117

     S23          55

     S27          73

     S28          0

                              PROTOCOL/SPEED

  Type:          Register

  Format         AT [cmds] S19=n [cmds]

  Example:       ATS19=0<CR>

  Default:       0

  Range:         Unidentified

  Unit:          Unidentified

  Description:   Selects the current protocol and speed.

                                SLEEP TIMER

  Type:                   Register

  Format                  AT [cmds] S24=n [cmds]

  Example:                ATS24=0<CR>

  Default:                0

  Range:                  Unidentified

  Unit:                   Unidentified

  Description:            Maximum duration of DTE and DCE inactivity
                          allowed prior to initiating low-power sleep
                          mode.

                                TEST MODES

  Type:                   Register

  Format                  AT [cmds] S16=n [cmds]

  Example:                ATS16=0<CR>

  Default:                0

  Range:                  0-125

  Unit:                   Bit-mapped

  Description:            Controls loopback tests, analog, digital,
                          remote digital, and self tests.

      Bit         Value                        Function

       0             0       Local analog loopback not in progress.

                    1        Local analog loopback in progress.

       1            0        Not used.

       2             0       Local digital loopback not in progress.

                    1        Local digital loopback in progress.

       3             0       Modem not in remote digital loopback.

                    1        Remote digital loopback in progress.

       4             0       Remote digital loopback not requested.

                    1        Remote digital loopback requested.

       5             0       Remote digital loopback w/ self-test not in
                             progress.
                    1
                             Remote digital loopback w/ self-test in
                             progress.

       6             0       Local analog loopback w/ self-test not in
                             progress.
                    1
                             Local analog loopback w/ self-test in
                             progress.