Configurable Summary Faults; Table A-3. Mbt-4000B Configurable Summary Faults - Comtech EF Data MBT-4000B User's Installation And Operation Manual

MBT-4000B Multi-Band Transceiver System
Appendix A
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
AUXCOM1
LNACUR2
LNAWIN2
REF LD
Mute Description
The IO1A/FAULT input (AUX COMM 1) indicates a fault. Monitoring for this fault is
Slot 1
enabled using the EAM command.
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
Slot 2 this fault – is enabled using the LCS command.
This fault is cleared by a LCS command or power cycle.
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
Slot 2 commands.
This fault is cleared by an LCS command, CLC command, LCW command or power
cycle.
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
All command.
This fault is cleared when lock has been regained.
A–3
Revision 1
MN/MBT4000B.IOM