Comtech EF Data MBT-4000B - Manual (Page 77)

MBT-4000B Multi-Band Transceiver System Revision 1
Appendix A MN/MBT4000B.IOM
A–3
A.2.2 Configurable Summary Faults
Configurable Summary Faults operate the same as Summary Faults, except Configurable
Summary Faults may be enabled or disabled using remote commands.
Table A-3. MBT-4000B Configurable Summary Faults
Mnemonic Mute Description
AUXCOM1 Slot 1 The IO1A/FAULT input (AUX COMM 1) indicates a fault. Monitoring for this fault is
enabled using the EAM command.
LNACUR2 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 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 an LCS command, CLC command, LCW command or power
cycle.
REF LD All
The External Reference Monitor has lost lock with the external reference signal. The
attached converter has been muted. Monitoring for this fault is enabled using the XRF
command.
This fault is cleared when lock has been regained.