LBC-4000 L-Band Up/Down Converter System
Revision 6
Serial Interface Operation
8–8
MN-LBC-4000
8.3.1 Customer Commands
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)
Applicable
Identification
AID_
48 bytes,
alphanumeric
Command or Query.
Use “AID” to sets or return a name (also called the ‘Circuit ID’) for
the unit or station.
Set or return in the form AID_xxxxxxxxxxxxxxxxxxx
xxxxxyyyyyyyyyyyyyyyyyyyyyyyy where:
x...x=First line, limited to first 24 characters.
y...y=Second line, limited to next 24 characters.
(Do not issue carriage return between first line and second line)
Command Example: <0001/AID_----Earth Station 1-------------
Converter #1-----{cr}
AID_
AID_
AID_x...y
Attenuation
Offset
ATO_A_SY.Z 6 bytes,
alphanumeric
Command or Query.
Use “ATO” to set or return the Converter A attenuation offset value.
Set or return in the form ATO_A_SY.Z where:
A=Conv ‘A’
S=Sign (+ or -)
Y=Number between 0 and 5
Z=Number between 0 and 9
Command Example: <0001/2.3{cr}
Notes:
1.
“ATO” is valid for Conv A only. Specifying Conv B returns an
error message.
2.
Y.Z value cannot be greater than 5.0.
3.
If (displayed atteoffset)<0, actual attenuation will be set
to 0 dB.
4.
If (displayed atteoffset)>maximum attenuation, actual
attenuation will be set to maximum attenuation.
5.
Actual attenuation equals the sum of Attenuation displayed on
front panel plus Offset.
ATO_A_SY.Z ATO_A_
ATO_A_
