MAS-2 – Stand-Alone FSK Modem

Stand-alone Asynchronous FSK Narrowband Modem

The MAS-2 consists of a 19”/1 s.u. chassis with an embedded single modem module type MAFP.

Key features

  • 600 Ω input and output impedance.
  • Data format: Binary, serial. Asynchronous and anisochronous.
  • Modulation: Frequency-shift keying (FSK).
  • Transmission mode: V.23 Full-duplex over 4-wire and Half-duplex over 4 or 2-wire.
  • Transmission speed of 50, 100, 200, 600, 1200 or 2400 Bd (using a 4 kHz band).
  • Central frequency programmable from a wide range of values.
  • The data interface complies with specifications V.24 and V.28 of the ITU-T and RS-232C of EIA.
  • When operating up to 1200 Bd in superimposed band, it can share the channel of the PLC terminal with speech frequencies up to 2000Hz and with a teleprotection guard frequency of 3800 Hz.
  • Equipped with test devices for a rapid operational check.
  • Optical indications.
  • The firmware of the MAFP module can be updated from a terminal emulator program.
  • Compact 19″/1 s.u. chassis.



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