Comtech EF Data MBT-4000B - Manual (Page 67)

Multi-Band Transceiver System Revision 0
Faults/Events MN/MBT4000B.IOM
B-2
Table B-1. MBT-4000B Summary Faults
Mnemonic Type Mute Description
15V PS1 Summary Fault
All
The 15 volt power supply is out of tolerance.
28V PS1 Summary Fault
All
The 28 volt power supply is out of tolerance.
5VT PS1 Summary Fault
All
The 5 volt power supply is out of tolerance.
7V5 PS1 Summary Fault
All
The 7.5 volt power supply is out of tolerance.
IIC BUS Summary Fault
All
Unable to communication via the internal high speed communication bus
Table B-2. MBT-4000B Configurable Summary Faults
Mnemonic Type Mute Description
AUXCOM1 Summary Fault
– Configurable
Slot 1
The IO1A/FAULT input (AUX COMM 1) indicates a fault. Monitoring
for this fault is enabled using the EAM command.
LNACUR2 Summary Fault
- Configurable
Slot 2
The +17 V nominal bias tee provided LNB power supply current
has exceeded the maximum limit of 450 mA and has been disabled.
The LNB power supply—and thus this fault—is enabled using the
LCS command.
This fault is cleared by a LCS command or power cycle.
LNAWIN2 Summary Fault
– Configurable
Slot 2 The +17 V nominal bias tee provided LNB power supply current is
outside the programmed window. (The power supply is not disabled
in response to this fault.). LNB current window monitoring is
configured and enabled using the LCS, CLC and LCW commands.
This fault is cleared by a LCS command, CLC command, LCW
command or power cycle.
REF LD Summary Fault
– Configurable
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-4000B Informational Events
Mnemonic Type Mute Description
LOG CLR Informational Event
None
The Event LOG Queue was cleared in response to
receipt of a CAA command.
PWR OFF Informational Event
None
Power off was detected.
PWR ON Informational Event
None
Power on was detected.