BOCA RESEARCH, INC.

BOCAMODEM M024ED

Modem Type                   Data (asynchronous)
Maximum Data Rate            2400bps
Data Bus                     External
Data Modulation Protocol     Bell 103A/212A

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

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                                CONNECTIONS

         Purpose             Location          Purpose           Location

  Line out                     CN1       DC power                  CN4

  Line in                      CN2       Power switch              SW1

  RS-232/422                   CN3

                             DIAGNOSTIC LED(S)

    LED         Color         Status                 Condition

     MR          Red            On                  Power is on

     MR          Red            Off                 Power is off

     AA          Red            On              Auto-answer enabled

     AA          Red            Off             Auto-answer disabled

     AA          Red         Blinking             Phone is ringing

     HS          Red            On          Modem is operating at 4800bps
                                                     or faster

     HS          Red            Off         Modem is operating at slower
                                                    than 4800bps

     OH          Red            On               Modem is off-hook

     OH          Red            Off               Modem is on-hook

     SD          Red            On           Modem is transmitting data

     SD          Red            Off        Modem is not transmitting data

     RD          Red            On            Modem is receiving data

     RD          Red            Off         Modem is not receiving data

     TR          Red            On               DTR signal is high

     TR          Red            Off              DTR signal is low

     CD          Red            On            Carrier signal detected

     CD          Red            Off         Carrier signal not detected

                         Proprietary AT Command Set

               See document V1551 for a full command summary.