Agilent Technologies J-BERT N4903B Manual de Serviço descarregar pdf (Página 310)

100

101

[P]FETCh[:SENSe[1]]:FSRatio Subnode

This subnode has the following SCPI structure:

This subnode has the following commands:

Table 87

Name Description under

[:ALL][:FULL][:TOTal]? “[P]FETCh[:SENSe[1]]:FSRatio[:ALL]

[:FULL][:TOTal]?” on page 310

[:ALL][:FULL]:DELTa? “ [P]FETCh[:SENSe[1]]:FSRatio[:ALL]

[:FULL]:DELTa?” on page 310

[P]FETCh[:SENSe[1]]:FSRatio[:ALL][:FULL][:TOTal]?

This query is a contraction of filler Symbol Ratio.

In the "8B/10B Symbol Comparison" error ratio mode, it returns the ratio of the

number of filler symbol count to the number of symbols received in the current (or

last completed) accumulation period, specified by the gate period.

In the "Bit Comparison without PCIe3 SKPOS" error ratio mode, it returns ratio of

the number of SKPOS bits to the number of bits received in the current (or last

completed) accumulation period, specified by the gate period is displayed here.

[P]FETCh[:SENSe[1]]:FSRatio[:ALL][:FULL]:DELTa?

In the "8B/10B Symbol Comparison" error ratio mode, this query returns the

"instantaneous" number of filler symbol ratio (Actual FSR), calculated from the

counts obtained in the last deci-second. This value is available even when the

accumulation is turned off.

5 SCPI Command Reference

310 Agilent J-BERT N4903B High-Performance Serial BERT

Syntax

Description

Syntax

Description

1 2 ... 305 306 307 308 309 310 311 312 313 314 315 ... 405 406

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