Block Converter (Buc / Bdc) Remote Commands And Queries - Comtech EF Data MBT-5000A Installation And Operation Manual

7.3.2

Block Converter (BUC / BDC) Remote Commands and Queries

Command Arguments for
(Instruction
Parameter Command or
Code and
Type Response to
Qualifier) Query
Attenuation AOF= 5 bytes
Offset
Attenuation ATT= 5 bytes,
Calibrate CLC= none
LNA Current
(BDC only)
Redundant CRM= 1 byte
Mute Mode
Serial-based Remote Product Management
Description of arguments
(Note that all arguments are ASCII numeric codes between 48 and 57)
Command or Query.
Note: Command is only for the offline converter in a redundancy mode. The valid range is -3.00 to
+3.00 dB.
Additionally, if the online converter attenuation is set to one extreme or the other, that value
becomes the new limiting factor. For example, if the attenuation is set to 19dB, the only
allowable offset will be -3 dB to +1 dB.
Default Value: 00.00
Example: <2/AOF=+2.25'cr'
>0002/AOF='cr''lf'
Command or Query.
Valid attenuation level (00.00 to 50.00 for X-Band BUC units, 00.00 to 20.00 for all other), in dB,
in 0.25 dB steps as factory default.
Default Value: 00.00
Example: <2/ATT=12.25'cr'
>0002/ATT='cr''lf'
Note: Attenuation cannot be changed for the offline unit when in redundancy mode.
Command or Query.
Stores the value of the LNA Current Supply (in mA) as a reference point. The LNA current
alarm/fault point is then based on this point ∀ the LCW setting.
Note: This command will return a mode error if the LCS output has not been enabled first. It will
return 000.0 if the converter has never been calibrated.
Example: <1/CLC='cr'
>0001/CLC='cr''lf'
The CLC query will return the value that was stored during the LNA current calibration.
Example: <1/CLC?'cr'
>0001/CLC=xxx.x
(where xxx.x is calibrated LNA current value in mA)
Command or Query.
Determines how the offline unit handles the mute state during a redundant switchover condition.
If the redundant mute mode is off, the offline unit will be muted. If the redundant mute mode is
on, the offline unit's mute state will not be changed.
0 = Off
1 = On
Default Value: 0
Example: <1/CRM=0'cr'
>0001/CRM='cr''lf'
MBT-5000A L-Band Up/Down Converter System
7–22
Revision 1
Response to Query Response to
Command (Instruction query
(Target to Code and (Target to
Controller) Qualifier) Controller)
AOF= AOF? AOF=+x.xx
AOF? or
AOF* AOF=-x.xx
(Same format
as Command
arguments)
ATT= ATT? ATT=xx.xx
ATT?
ATT* (Same format
as Command
arguments)
CLC= CLC? CLC=xxx.x
CLC?
(see
CLC*
Description
of Arguments)
CRM= CRM? CRM=x
CRM?
(same format
as Command
arguments)
MN-MBT-5000A