RFL Communications 21 Sub-MUX Manuale Utente Pagina 13

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©2014 RFL Electronics Inc.
Solutions for an evolving world.
©2014 RFL Electronics Inc.
Solutions for an evolving world.
FSK (Frequency Shift Keying) means just what it
said, shifting from one frequency to another to
send and receive data. (2F and 3F) (a form of
FM Modulation) Dial or Leased line modules.
Good to know Terms cont.
Input Device
Transmitter
(modem)
Output Device
Receiving
(modem)
Guard
Trip
2/4-wire
channel
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