Comtech EF Data PCB-4000A Installation And Operation Manual page 56

Command
Command
Parameter
(Instruction Valid for
Type Code and PCB or
SSPA
qualifier)
RF Power AMP= PCB
Amplifier
State
Attenuation AOF= PCB
Offset
Attenuation ATT= PCB
Bypass SSPA BYP= PCB
Clear All CAA= ALL
Stored Alarms
Serial Remote Control
Arguments for
Description of Arguments
Command or
(Note that all arguments are ASCII numeric codes – i.e.,
Response to
ASCII codes between 48 and 57)
Query
1 byte, Command or Query.
value of 0, 1 Turns ON or OFF the SSPAs in the form AMP=x, where:
0 = Off
1 = On
7 bytes, Command or Query.;
alphanumeric
Sets attenuation offset for specified SSPA
Command: AOF=x,yy.yy where:
x=0 or 1 (SSPA number)
yy.yy=Attenuation offset
Query: AOF?
Example: AOF=1,01.50
Note: AOF command will not take values greater than 6 dB)
5 bytes, Command or Query.
numerical
Valid attenuation level, in dB, at 0.25-dB step size as factory
default.
Example: ATT=12.25
Note: The attenuation range is limited to a maximum of 24 dB.
1 byte Command or Query.
value of 0, 1 or 2 Command: BYP=a, where:
a = 0 (No SSPA is bypassed)
1 (SSPA #1 is bypassed)
2 (SSPA #2 is bypassed)
• Command bypasses the SSPA specified by argument.
• Command works only in RED=0 mode.
Query: BYP?
• Query returns the number of the SSPA that is currently
bypassed or offline.
• Query works in any RED mode.
None Command only.
Instructs the slave to clear all Stored Events.
This command takes no arguments.
Response to
Command
(Target to
Controller)
AMP=
AMP?
AMP*
AMP#
AOF=
AOF?
AOF*
AOF#
ATT=
ATT?
ATT*
ATT#
BYP=
BYP?
BYP* (received
ok but in the
wrong RED
mode)
CAA=
5–8
PCB-4000A 1+1 Phase Combiner
Revision 2
Query Response to
Query Valid
Query
(Instruction
for PCB or
Code and (Target to
SSPA
qualifier) Controller)
AMP? ALL AMP=x
(see
Description of
Arguments for
details)
AOF? PCB AOF=x,yy.yy
(see
Description of
Arguments for
details)
ATT? ALL ATT=xx.xx
(see
Description of
Arguments for
details)
BYP? PCB BYP=a
(see
Description of
Arguments for
details)
N/A N/A N/A
MN-PCB-4000A