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Chapter 4 191

Parameter Descriptions

33. RXD Maximum Frames for FER

This parameter sets the maximum frame count for each FER test.

The software tests apply confidence limits to FER testing as described

in EIA/TIA IS-98. The frame count entered in this parameter, along

with the actual number of frame errors counted and FER Spec, will

determine whether the maximum number of frames is reached before

Pass or Fail criteria is met.

The probability that an FER test will end with a Pass or Fail indication

increases when the maximum frames parameter is increased.

Decreasing the value in this parameter could cause testing to end

before either Pass or Fail criteria is met.

Example

If the RXD Maximum Frames for FER is 5000, and you want to

increase the likelihood that the FER test will end with either a Pass or

Fail indication, enter 6000 for this parameter.

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Carrier 38TXA Guide Betriebsanweisung Seite 191