Comtech EF Data MBT-5000A Installation And Operation Manual page 128

L-band up/down converter system
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Command
Arguments
(Instruction
Parameter
for Command
Code and
Type
or Response
Qualifier)
to Query
Power
MPS=
2 bytes
Supply Alarm
Mask
Unit Alarm
MSK=
5 bytes
Mask
Number of
N/A
3 bytes
Unread
stored
Events
Number of
N/A
3 bytes
Unread
stored
Statistics
Serial-based Remote Product Management
Description of Arguments
(Note that all arguments are ASCII numeric codes between 48 and 57)
Command or Query
Sets or returns Power Supply Alarm mask conditions in the form ab, where:
0 = Fault, 1 = Alarm, 2 = Masked
a = Power Supply 1
b = Power Supply 2
Default value: 12
If MPS=00 and any of the voltages on either supply are out of range, then both front panel "SUM
FAULT" LEDs are lit, the summary fault relay is put in the "faulted" position, it is a logged event,
and no switchover occurs.
If MPS=11 and any of the voltages on either supply are out of range, then both front panel "SUM
FAULT" LEDs are lit, the summary fault relay is not affected, it is a logged event, and no switchover
occurs.
If MPS=22 and any of the voltages on either supply are out of range, then both front panel "SUM
FAULT" LEDs are NOT lit (because of the power supply), the summary fault relay is NOT affected,
it is NOT a logged event, and no switchover occurs.
If BOTH power supplies are faulted, then a fault is reported even if they are masked.
Command or Query.
Alarm mask conditions. If an alarm is masked, neither an alarm or a fault is set, and the user will not
know of a problem, in the form abcde, where:
0 = Fault, 1 = Alarm, 2 = Masked
a = Low Forward RF Power
b = External Reference Lock detect
c = Converter A Not Inserted
d = Converter B Not Inserted
e = LNA Current Detect
Default value: 22111
Note: There could be a variable delay in the time it takes for the internal reference to lock to an
external reference, due to warm-up characteristics and frequency differences between the
references. Therefore, the default setting is "masked" for the reference lock detect. This setting
may be changed if the customer so desires. The delay should be less than 1 second after 30
minutes of warm-up time.
Query only.
Unit returns the Number of stored Eventsthat remain Unread in the form xxx.
Example: NUE=126
Query only.
Unit returns the Number of stored Statistics that remain Unread, in the form xxx.
Example: NUS=126
MBT-5000A L-Band Up/Down Converter System
7–15
Revision 1
Response to
Query
Response to
Command
(Instruction
query
(Target to
Code and
(Target to
Controller)
Qualifier)
Controller)
MPS=
MPS?
MPS=ab
MPS?
MPS*
(see
description for
details of
arguments)
MSK=
MSK?
MSK=abcde
MSK?
MSK*
(See
Description of
Arguments)
N/A
NUE?
NUE=xxx
N/A
NUS?
NUS=xxx
MN-MBT-5000A

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