Nera Inmarsat-c Service Manual page 50

2.3 Terminal unit, IC-215
Protection circuit
- Protecting from the reversed polarity connection (Setting the diode at the power input part
to fuse the power cable.)
- Protecting from the over current.
Detecting status monitoring signal
- CHECK V: Detecting "Antenna Power Supply" of the status monitor.
- ANT C: Detecting "Send Level" of the status monitor.
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