
RAD DATA COMMUNICATIONS

FOM-T1

Modem Type             Data (synchronous/asynchronous)
Maximum Data Rate      2.048Mbps
Data Bus               External
Data Modulation        Proprietary
Protocol

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                                CONNECTIONS

        Purpose           Location            Purpose            Location

  DB-15                      CN1       Receive fiber               RX

  AC power                   CN2       Coaxial connector out       OUT

  Transmit fiber             TX        Coaxial connector in        IN

       CHASSIS TO ELECTRICAL GROUND

  Setting                    JP1

   Connected         Pins 1 & 2 closed

  Disconnected        Pins 2 & 3 closed

           INPUT

  Setting          SW2

  Grounded         Off

   Floating       On

                    INTERFACE

  Setting                          SW4

   100 Omhs-(DB-15) T1       Position 1 on

   120 Omhs-(DB-15) E1       Position 2 on

  75 Omhs-(BNC) E1            Position 3 on

  OPTICAL AIS SIGNAL

  Setting      SW5

   Off        Off

  On            On

           OUTPUT

  Setting          SW3

  Grounded         Off

   Floating       On

        RANGE

  Setting     SW1

   Short     Off

  Long         On

                        DIAGNOSTIC LED(S)

    LED       Color      Status              Condition

    L1         Red         On               Power is on

    L1         Red         Off              Power is off

    L2         Red         On       Optical signal below -43dBm

    L2         Red         Off      All link equipment operating

