Agilent Technologies J-BERT N4903B Manual de Serviço descarregar pdf (Página 303)

100

101

This query returns the "instantaneous" symbol error ratio (Actual SER) calculated

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

accumulation is turned off.

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

This subnode has the following SCPI structure:

This subnode has the following commands:

Table 80

Name Description under

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

[:FULL][:TOTal]?” on page 303

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

[:FULL]:DELTa?” on page 303

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

This query is a contraction of Frame Error Ratio. It returns the ratio of the number

of frame errors to the number of frames received in the current (or last completed)

accumulation period, specified by the gate period.

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

This query returns the "instantaneous" Frame Error Ratio (Actual FER) calculated

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

the accumulation is turned off.

SCPI Command Reference 5

Agilent J-BERT N4903B High-Performance Serial BERT 303

Description

Syntax

Description

Syntax

Description

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