Comtech EF Data MBT-4000 - Manual (Page 71)

MBT-4000 Multi-Band Transceiver System Revision 4
Faults/Events MN/MBT4000.IOM
B–3
B.2.2 Configurable Summary Faults
Configurable Summary Faults operate the same as Summary Faults, except Configurable
Summary Faults may be enabled/disabled via remote commands.
Table B-3. MBT-4000 Configurable Summary Faults
Mnemonic Type Mute Description
AUXCOM1
Configurable
Summary Fault
Slot 1
The IO1A/FAULT input (AUX COMM 1) indicates a fault.
Monitoring for this fault is enabled using the EAM
command.
AUXCOM2
Configurable
Summary Fault
Slot 2
The IO2A/FAULT input (AUX COMM 2) indicates a fault.
The converter attached to UNIT 2 COMM (J6) has been
muted.
LNACUR1
Configurable
Summary Fault
Slot 1
The +12.6 V LNA A (AUX COMM 1) power supply current
has exceeded the maximum limit of 350 mA and has been
disabled. The converter attached to UNIT 1 COMM (J3) has
been muted. The LNA power supply—and thus this fault—is
enabled using the LCS command.
This fault is cleared by a LCS command or power cycle.
LNACUR2
Configurable
Summary Fault
Slot 2
The +12.6 V LNA B (AUX COMM 2) power supply current
has exceeded the maximum limit of 350 mA and has been
disabled. The converter attached to UNIT 2 COMM (J6) has
been muted. The LNA power supply—and thus this fault—is
enabled using the LCS command.
This fault is cleared by a LCS command or power cycle.
LNAWIN1
Configurable
Summary Fault
Slot 1
The +12.6 V LNA A (AUX COMM 1) power supply current is
outside the programmed window. (The power supply is not
disabled in response to this fault.) The converter attached to
UNIT 1 COMM (J3) has been muted. LNA 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.
LNAWIN2
Configurable
Summary Fault
Slot 2
The +12.6 V LNA B (AUX COMM 2) power supply current is
outside the programmed window. (The power supply is not
disabled in response to this fault.) The converter attached to
UNIT 2 COMM (J6) has been muted. LNA 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
Configurable
Summary Fault
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.
LNAI1
Configurable
Summary Fault
Slot 1
The IO1A/FAULT input (AUX COMM 1) indicates a fault.
Monitoring for this fault is enabled using the EAM-1X
command.
LNAI2
Configurable
Summary Fault
Slot 2
The IO2A/FAULT input (AUX COMM 2) indicates a fault.
Monitoring for this fault is enabled using the EAM-2X
command.