Rohde & Schwarz CMU-K20, Руководство по эксплуатации

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CMU-K20/21/22/23/24 Signalling: Receiver Quality
1115.6088.12 6.155 E-12
FETCh:RXQuality:BER:STATus? Measurement Status
Return Description of parameters Def. value Def. unit FW vers.
OFF |
RUN |
STOP |
ERR |
STEP |
RDY,
1 to 50000 |
NONE Measurement in the OFF state (
*RST
or
ABORt
)
Running (after
INITiate, CONTinue
or
READ
)
Stopped (
STOP
)
OFF (could not be started)
Stepping mode (<stepmode>=STEP)
Stopped according to repetition mode and stop condition
Counter for current evaluation period (frame)
Statistic count set to off (only 1 frame)
OFF
NONE
–
–
V2.00
Description of command
This command is always a query. It returns the status of the measurement (see chapter 5).
Subsystem RXQuality:BER:CONTrol
The subsystem RXQuality:BER:CONTrol sets the control parameters for the single shot receiver quality
measurements. The subsystem corresponds to the tab Control in the popup menu Receiver Quality
Configuration.
Meas. Mode, Frames, BER
CONFigure:RXQuality:BER<nr>:CONTrol[:CSWitched] < Mode>, <FramesToAverage>
CONFigure:RXQuality:BER<nr>:CONTrol:PDATa < Mode>, <FramesToAverage>
<Mode> Description of parameters Def. value Def. unit
RFER |
BER
BBB
BDBL Residual bit error rate, frame erasure rate
Bit error rate
Burst by burst
BER/Data Block Error Rate BER –
<FramesToSend> Description of parameters Def. value Def. unit FW vers.
1 to 50000 |
NONE No. of frames to be sent
No average (only 1 frame considered) See
below – V2.00
Description of command
This command defines the measured value and the number of frames to be sent in a single shot measurement,
constituting a statistics cycle. The suffix <nr> refers to the selected test setup (<nr> = 1 to 10). For definition of
the measured value (BER, RFER etc.) see chapter 4.
The following default settings are valid for the command parameters:
<nr> 1 2 3 4 5 6 7 8 9 10
Mode BER BER BER BER BER BER BER BER BER BER
Frames 100 100 500 500 100 500 500 100 100 100
深圳德标仪器
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