Comtech EF Data MBT-4000 Installation And Operation Manual page 75

Multi-Band Transceiver System
Faults/Events
Mnemonic Type
REF LD Summary Fault
– Configurable
Mnemonic
BXCTYP1 Informational Event
BXCTYP2 Informational Event
LOG CLR Informational Event
PWR OFF Informational Event
PWR ON Informational Event
Mnemonic
15V SUP Summary Fault
5VT SUP Summary Fault
7V5 SUP Summary Fault
OVR TMP Summary Fault
PLL LD Summary Fault
Mute
All The External Reference Monitor has lost lock with the external
reference signal. All attached converters (UNIT 1 and UNIT 2)
have been muted. Monitoring for this fault is enabled using the XRF
command. This fault is cleared when lock has been regained.
Table B-3. MBT-4000 Informational Events
Type Mute
None
None
None
None
None
Table B-4. BDC-4000 Summary Faults
Type
The 15 volt power supply is out of tolerance.
The 5 volt power supply is out of tolerance.
The 7.5 volt power supply is out of tolerance.
The maximum operating temperature has been exceeded.
The PLL has lost lock.
Description
In redundancy mode, the BxC corresponding to slot 1 is
not of the same type. Redundancy mode switched to
manual (RAM=10).
In redundancy mode, the BxC corresponding to slot 2 is
not of the same type. Redundancy mode switched to
manual (RAM=20).
The Event LOG Queue was cleared in response to
receipt of a CAA command.
Power off was detected.
Power on was detected.
Description
B-3
Revision 3
MN/MBT4000.IOM
Description