MAXTECH

GMV144E

Card Type                    Fax, Modem (synchronous/asynchronous), Voice
Chip Set                     Rockwell
I/O Options                  Speakerphone, Voice-mail
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.22, V.22bis, V.32, V.32bis
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

        Function           Label             Function              Label

  Line in                       CN1      Microphone in              CN5

  Line out                      CN2      DC power                   CN6

  RS-232/422                    CN3      Power switch               SW1

  Speaker out                   CN4

                        USER CONFIGURABLE SETTINGS

                  Setting                     Label         Position

  SMART mode                                   JP1      Pins 2 & 3 closed

  DUMB mode                                    JP1      Pins 1 & 2 closed

                             DIAGNOSTIC LED(S)

   LED       Color      Status                   Condition

   TST        Red         On                  Normal operation

   TST        Red        Flash     Modem has detected and corrected error

    HS        Red         On          Modem is operating at 4800bps or
                                                   faster

    HS        Red         Off         Modem is operating at slower than
                                                  4800bps

    AA        Red         On                Auto-answer enabled

    AA        Red         Off               Auto-answer disabled

    AA        Red       Blinking              Phone is ringing

    CD        Red         On              Carrier signal detected

    CD        Red         Off           Carrier signal not detected

    OH        Red         On                 Modem is off-hook

    OH        Red         Off                 Modem is on-hook

    RD        Red         On              Modem is receiving data

    RD        Red         Off           Modem is not receiving data

    SD        Red         On             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

    MR        Red         On                    Power is on

    MR        Red         Off                   Power is off

                         Proprietary AT Command Set

               See document V1852 for a full command summary.