INTEL CORPORATION

14.4EX

Modem Type                   Data (synchronous/asynchronous)
Maximum Data Rate            14.4Kbps
Data Bus                     External
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis, V.32, V.32bis
Error Correction/Compression MNP5, V.42, V.42bis

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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

    EC          Green            On           Error correction enabled

    EC          Green           Off           Error correction disabled

    HS           Red             On         Modem is operating at 9600bps
                                                      or faster

    HS           Red            Off          Modem is operating at slower
                                                    than 1200bps

    HS           Red          Blinking          Modem is retraining.

    HS           Red        Blinking once   Modem is operating at 12Kbps

    HS           Red          Blinking          Modem is operating at
                               twice                  14.4Kbps

    HS         Orange            On         Modem is operating at 4800bps
                                                     or Off-line

    HS         Orange       Blinking once   Modem is operating at 7200bps

    HS          Green            On         Modem is operating at 2400bps

    AA          Green            On              Auto-answer enabled

    AA          Green           Off             Auto-answer disabled

    AA          Green         Blinking            Phone is ringing

    CD          Green            On            Carrier signal detected

    CD          Green           Off          Carrier signal not detected

    OH          Green            On               Modem is off-hook

    OH          Green           Off               Modem is on-hook

    RD          Green            On            Modem is receiving data

    RD          Green           Off          Modem is not receiving data

    SD          Green            On          Modem is transmitting data

    SD          Green           Off           Modem is not transmitting
                                                        data

    TR          Green            On              DTR signal is high

    TR          Green           Off               DTR signal is low

    MR          Green            On                  Power is on

    MR          Green           Off                 Power is off

    MR          Green         Blinking          Modem is not operating
                                                      properly

                         Proprietary AT Command Set

               See document V1545 for a full command summary.