Table A-1. Customer Commands - Comtech EF Data LBC-4000 Installation And Operation Manual

LBC-4000 L-Band Up/Down Converter System
Remote Control
Command
Parameter (Instruction
Type Code and
qualifier)
Operating FRE_
Frequency
Attenuation ATT_

Table A-1. Customer Commands

Arguments for
Description of arguments
Command or
(Note that all arguments are ASCII numeric
Response to
codes, that is, ASCII codes between 48 and 57)
Query
11 bytes, Command or Query.
alphanumeric FRE_x_yyyyy.yyy
Where: x = 'A' (converter A) or 'B' (converter B)
yyyyy.yyy =Valid Operating frequency, in MHz and
1-kHz step.
Example: FRE_A_00951.000
It means converter A is set to 951 MHz. The user
has the option to set it at Ku-Band frequency for
example, 14500.000 MHz, if the 'frequency display
select' option is turned ON.
7 bytes, Command or Query.
alphanumeric ATT_x_yy.yy
Where: x = 'A' (converter A) or 'B' (converter B)
yy.yy = Valid attenuation level, in dB, at 0.1-dB
step size as factory default.
Example: ATT_A_12.20
Converter A is set to 12.20 dB.
MN/LBC4000.IOM
Revision 2
Response to
Command
(target to
controller)
Same as command
Same as command
A-7
Query Response to
(Instruction Query
Code and (target to
qualifier) controller)
FRE_x_ FRE_x_yyyyy.yyy
(see description of
arguments)
ATT_x_ ATT_x_yy.yy
(see description of
arguments)