Comtech EF Data CDM-625A Installation And Operation Manual page 458

Advanced satellite modem (18 kbps – 25 mbps)

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CDM-625A Advanced Satellite Modem

CDM-625A ODU (Transceiver, BUC, LNB) Operation

Waveguide Switch Tx and Rx status: OK or Ft (fault);

Redundancy Controller Box 5V and 12V values (to aid trouble-shooting system

To set Operating Mode, use the

keys to select this mode as Auto or Manual:

AUTO mode – When the Online ODU faults, the switchover is done automatically to

replace the faulty unit.

MANUAL mode – If selecting the mode as Manual, there is no automatic switchover if a

fault occurs.

To force a switchover to the other CSAT unit, use the

then use the

arrow keys to select Mode, and then use the

If the ODU Redundancy system is in AUTO mode, a 'forced switch-over' can

only occur if the currently OFFLINE unit is fault-free.

arrow keys to select Y (Yes). Press ENTER when done.

arrow keys to select Switch: N, and

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