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3
Performance Tests
NO TE
90
9 Start Mask Test and check the Optical Output meets the
Mask. See example below.
OC-1/STM-0 Eye Mask
10 Set the scope to Eye Measure mode and select Extinction
Ratio measurement.
Ensure Vertical Calibration and Extinction Ratio Calibration have been
performed for the scope channel and vertical sensitivity range to ensure
measurement accuracy. Refer to scope information/Help if necessary.
11 Check the Extinction Ratio is > 8.2 dB and record the value.
OC-3/STM-1 Power Level and Eye Mask Tests
12 Change the Transmission Test Set Transmitter > Signal Rate
to OC3.
13 Select Eye/Mask Mode, Mask Test. Select Filter and ensure
it is set to OC-3 (156 Mb/s), ON.
14 Select Open Mask and open the STM001_OC3.msk.
15 Select scope Autoscale and allow the scope to find signal and
trigger inputs.
Installation and Verification Manual
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