Wavetek ANT-20 Operating Manual

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Contents

Wavetek ANT-20 Operating Manual Manual pdf 66 page image

Concatenation Options ANT-20/ANT-20ES-48 Specifications OC-48c/STM-16c2.4.2.5 ATM performance measurementsError-related performance parametersThe measurements are made using test cells.ResultsCell transfer delayThe measurement is made using test cells.Cells with transfer delays outside the measurement range are counted as class 0 (underflow) orclass 127 (overflow).Cell delay variationThe measurement is made using test cells.The results are only valid if no cell delays outside the measurement range are detected.2.4.3 User channel analysis and load measurementCell filters (VCI, VPI, CLP) for extracting the test channel.The VCI and CLP filters can be disabledMean cell rateThe measurement is made over all connections in parallel and in the test channelsimultaneously.Load displayLost Cell Count, Cell Loss Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CLRMisinserted Cell Count, Cell Misinserted Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CMRError Cell Count, Cell Error Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CERDisplay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .rate distributionResolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 ns to 0.355 sMeasurement range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 μs to 42.9 sMeasurement range offset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 to 0.167 sUnits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . μsDisplay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . rate distribution,minimum delay,maximum delay,average delay,peak-to-peak-CDVMeasurement interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 sResolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.01%Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mbit/s, Cells/s, %Scaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . linear, logarithmic

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