Comtech EF Data PCB-4300 User Manual
Page 85
PCB-4300 1:2 Phase Combiner
Revision
2
Appendix B
MN/PCB4300.IOM
B–7
Parameter
Type
Command
(Instruction
Code and
qualifier)
Command
Valid for
PCB or
SSPA
Arguments
for
Command or
Response to
Query
Description of Arguments
(Note that all arguments are ASCII numeric codes –
i.e., ASCII codes between 48 and 57)
Response to
Command
(Target to
Controller)
Query
(Instruction
Code and
qualifier)
Query
Valid for
PCB or
SSPA
Response to
Query
(Target to
Controller)
Automatic
Gain Initialize
AGI= PCB
0
bytes,
alphanumeric
Command only.
Initializes all gains for the attenuation offset.
This command takes no arguments.
AGI=
AGI?
AGI*
N/A
N/A
N/A
RF Power
Amplifier State
AMP= PCB 1
byte,
value of 0, 1
Command or Query
Turns ON or OFF the SSPAs in the form AMP=x, where:
0 = Off
1 = On
AMP=
AMP?
AMP*
AMP?
ALL
AMP=x
(see Description
of Arguments for
details)
Attenuation
Offset
AOF= PCB
7
bytes,
alphanumeric
Command or Query
Sets attenuation offset for specified SSPA
Command: AOF=x,yy.yy
Query: AOF?x
where: x=1, 2, or 3 (SSPA number)
yy.yy=Attenuation offset
Example: AOF=1,01.50
Note: AOF command will not take values greater than 6 dB)
AOF=
AOF?
AOF*
AOF?x
where x=1,2, or 3
PCB
AOF=x,yy.yy
(see Description
of Arguments for
details)
Attenuation
ATT= PCB
5
bytes,
numerical
Command or Query.
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.
ATT=
ATT?
ATT*
ATT?
ALL
ATT=xx.xx
(see Description
of Arguments for
details)
Clear All
Stored Alarms
CAA=
ALL None Command
only
Instructs the slave to clear all Stored Events.
This command takes no arguments.
CAA=
N/A
N/A
N/A
Concise
Alarm Status
N/A N/A 11
bytes
numerical with
commas
Query only.
Used to Query the Alarm status of the unit, response is comma
delimited.
Example: CMS=a,b,c,d,e,f,g’cr’’lf’ where:
a thru k = 0 or 1, 0 = OK 1 = FT
a = +24V Power Supply
b = +5V Power Supply
c = SSPA1
d = SSPA2
e = SSPA3
f = SW1 Absent FLT
g = SW2 Absent FLT
N/A
CAS?
ALL
CAS=x….x
(see Description
of Arguments for
details)