ZOOM TELEPHONICS, INC.

VFP 14.4V

Modem Type                  Data (synchronous/asynchronous)/Fax/Voice
Maximum Data Rate           14.4Kbps
Maximum Fax Rate            14.4Kbps
Data Bus                    External
Fax Class                   Class I & II
Data Modulation Protocol    Bell 103A/212A

                            ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis
Fax Modulation Protocol     ITU-T V.17, V.21CH2, V.27ter, V.29
Error                       MNP5, V.42, V.42bis
Correction/Compression

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                                CONNECTIONS

      Purpose         Location             Purpose             Location

  Line out               CN1        Digital Control               CN3
                                    (proprietary)

  Line in                CN2        Speaker                       CN4

                         Proprietary AT Command Set

               See document V1404 for a full command summary.