Comtech EF Data MBT-5003 - Manual (Page 93)

MBT-5003 L-Band Up/Down Converter System Revision 1
Appendix A MN-MBT5003
A–17
A.6.2 Block Converter (BUC/BDC) Remote Commands and Queries
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments
for Command
or Response
to Query
Description of Arguments
(Note that all arguments are ASCII numeric codes
between 48 and 57)
Response to
Command
(Target to
controller)
Query
(Instruction
Code and
qualifier)
Response to query
(Target to controller)
Attenuation ATT= 5 bytes, 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.
ATT=
ATT?
ATT* ATT? ATT=xx.xx
(Same format as command
arguments)
Operating RF
Frequency
FRE=xxxxx.x
xx 9 bytes Command or Query.
Valid Operating RF frequency, in MHz.
For Ku BDCs only:
FRE values: 10950-11700 MHz an LO of 10000 MHz is activated
FRE values: 11700-12250 MHz an LO of 10750 MHz is activated
FRE values: 12250-12750 MHz an LO of 11300 MHz is activated
Example: FRE=11300.000‘cr’
Note: Operating Frequency cannot be changed for the offline unit
when in redundancy mode.
FRE=
FRE?
FRE* FRE? FRE=x….x
(See Description of
Arguments)
Global
Converter
Configuration GCC= variable length Command or Query.
Used to set up and query the global status of the BUC/BDC.
Example: GCC=aa.aa;b;ccccc.cc; ‘cr’ where:
aa.aa = attenuation in dB (ATT)
b = mute state, 0 = un-muted, 1 = muted (MUT)
ccccc.ccc = frequency in MHz (FRE, Ku BDC only, other units will
display xxxxx.xxx)
Note: This command can only be queried for the offline unit when
in redundancy mode.
GCC=
GCC?
GCC* GCC? GCC=x….x
(See Description of
Arguments)
Mute State MUT= 1 byte Command or Query.
Mute the unit, where:
0 = Disabled (Not Muted)
1 = Enabled (Muted)
Default Value: 0
Example: <2/MUT=1’cr’
>0002/MUT=1’cr’’lf’
Note: Mute State cannot be changed for the offline unit when in
redundancy mode.
MUT=
MUT?
MUT* MUT? MUT=x
(same format as command
arguments)