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CDM-Qx Satellite Modem
Remote Control
Command
Parameter
(Instruction
Type
Code and
Qualifier)
BERT Result in
N/A
average BER
C.5.9
Spectrum Analyzer Commands
Command
Parameter
(Instruction
Type
Code and
qualifier)
Spectrum Analyzer
SPM=
Mode (applies to Rx
card)
Spectrum Analyzer
SPF=
Center Frequency
(applies to Rx card)
Spectrum Analyzer
SPS=
Span
(applies to Rx card)
Arguments for
Command or
Response to
Query
5 bytes
Query only
Returns the value of the average BER in the form a.b x 10
bytes are the value. Last 2 bytes are the exponent. Returns 99999 if
there's no sync in BERT monitor. Returns 99.99 if sync loss has
occurred.
Example: BER=4.8E3 (BER = 4.8 x 10
Arguments for
Command or
Response to
Query
1 byte
Command or Query
0=Off
1=On
9 bytes
Command or Query
Tx Frequency, 950 to 1950 MHz (L-Band units)
50 to 90/100 and 180 MHz (70/140 MHz units)
Resolution = 100 Hz
Example: SPF=0050.9872
1 byte
Command or Query.
0 = 97.65625 kHz
1 = 195.3125 kHz
2 = 390.625 kHz
3 = 781.25 kHz
4 = 1.5625 MHz
5 = 3.125 MHz
6 = 6.25 MHz
7 = 12.5 MHz
Description of arguments
-c
. First 3
-3
)
Description of arguments
C-41
Response to
Query
Command
(Instruction
(Target to
Code and
Controller)
Qualifier)
N/A
BRR?
Response to
Query
Command
(Instruction
(Target to
Code and
Controller)
Qualifier)
SPM=
SPM?
SPM?
SPM*
SPM#
SPM$
SPM^
SPM@
SPF=
SPF?
SPF?
SPF*
SPF#
SPF$
SPF^
SPF@
SPS=
SPS?
SPS?
SPS*
SPS#
SPS$
SPS^
SPS@
Revision 6
MN/CDMQx.IOM
Response to query
(Target to
Controller)
BRR=a.bEc
(see description of
arguments)
Response to query
(Target to
Controller)
SPM=x
(see description of
arguments)
SPF=xxxx.xxxx
(see description of
arguments)
SPS=x
(see description of
arguments)
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