U.S. ROBOTICS, INC.

SPORTSTER VI 14.4 EXT

Card Type                    Fax, Modem (asynchronous), Voice
Chip Set                     U.S. Robotics
I/O Options                  Speakerphone, Voice-mail, Voice View
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class I
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.25, V.32,
                             V.32bis
Fax Modulation Protocol      Unidentified
Error Correction/Compression MNP5, V.42, V.42bis

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                                CONNECTIONS

        Function           Label             Function              Label

  DC power                     CN1      RS-232/422                  CN5

  Line in                      CN2      Power switch                SW1

  Line out                     CN3      Volume                       R1

  Speaker out                  CN4      Built-in microphone          M1

                             DIAGNOSTIC LED(S)

    LED        Color      Status                  Condition

     AA         Red         On               Auto-answer enabled

     AA         Red        Off              Auto-answer disabled

     AA         Red      Blinking             Phone is ringing

     CD         Red         On       Carrier signal detected or CD forced
                                                    high

     CD         Red        Off           Carrier signal not detected

     RD         Red      Blinking          Modem is receiving data

     RD         Red        Off           Modem is not receiving data

     SD         Red      Blinking        Modem is transmitting data

     SD         Red        Off         Modem is not transmitting data

     TR         Red         On               DTR signal is high

     TR         Red        Off                DTR signal is low

     CS         Red         On               CTS signal is high

     CS         Red        Off                CTS signal is low

  ARQ/FAX       Red         On           Error correction activated

  ARQ/FAX       Red        Off            Error correction disabled

  ARQ/FAX       Red      Blinking      Retransmitting data to remote or
                                            connected in FAX mode

     OH         Red         On                Modem is off-hook

     OH         Red        Off                Modem is on-hook

                         Proprietary AT Command Set

               See document V1932 for a full command summary.