Keysight N4917BSCB 400G Optical Receiver Test Application User Guide
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Performing Stressed Receiver Compliance Tests with N4917BSCB Software
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Figure 30
Configuration variables for receiver testing
Compensation of optical loss in receiver test path
To ensure compliant receiver testing, the automated test procedure must
compensate for any additional loss in the receiver test path (see
for a schematic of stressed receiver optical path loss definitions). Since the
calibration procedure can only measure the common loss in the optical
path, any additional loss in the receiver test path must be measured
