Comtech EF Data MBT-5003 User Manual

Page 89

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MBT-5003 L-Band Up/Down Converter System

Revision 1

Appendix A

MN-MBT5003

A–13

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)

Retrieve
Configuration
Status

N/A variable

length

Query only.
Used to Query the Configuration status of the unit

N/A RCS?


RCS=x….x

(See Description of
Arguments)

Example:

Description:

<1/RCS?’cr’
>0001/RCS=’cr’
ESW=1’cr’
AFR=1’cr’
XRF=N/A’cr’’lf’



Redundancy Mode
Auto Fault Recovery

XRF = External reference status, N/A = no external reference, 05M
for 5 MHz, and 10M for a 10 MHz
Note: XRF will always be N/A if the internal reference oscillator
option is not installed.

Reference
Oscillator
Tuning

REF= 3

bytes Command or Query.

Adjusts the reference oscillator tuning voltage by sending a DAC
value in the following format: REF=xxx, where xxx is a numeric
value from 0 to 255.

Default value: 087

Example: <1/REF=087’cr’
>0001/REF=’cr’’lf’

Note: This command sets the DAC value, but the actual Reference
Oscillator tuning voltage can be monitored using the RMS
command.

REF=
REF?
REF*

REF? REF=xxx


(Same format as command
arguments)

Retrieve
Maintenance
Status

N/A variable

length

Query only.
Used to Query the Maintenance status of the unit.

N/A RMS?


RMS=x….x

(See Description of
Arguments)

Example:

Description:

<1/RMS?’cr’

>0001/RMS=’cr’

P12V1=12.1’cr’
P12V2=12.3’cr’
P05V1=04.9’cr’
P05V2=05.1’cr’
P7V8T=07.8’cr’
REFVT=01.2’lf’
SWITC=A’cr’’lf’

+12V power supply 1
+12V power supply 2
+5V power supply 1
+5V power supply 2
+7.8V power supply
Ref. Osc. Tuning
RF switch

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