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Performance Tests
3
Installation and Verification Manual
85
9
Start
Mask Test
and check the Optical Output meets the
Mask. See example below.
10
Set the oscilloscope to
Eye Measure
mode and select
Extinction Ratio
measurement.
11
Check the Extinction Ratio is greater than
8.2 dB
and record
the measured value.
12
Change the OmniBER OTN Signal Rate.
Press
<Menu>
,
choose
Tx/Rx > Transmitter Settings
then press
<Select>
.
Select the
Physical
tab. Set the
Signal Rate
to
OC3
.
13
Select
Eye/Mask Mode
,
Mask Test.
Select
Filter
and ensure
it is set to
OC-3 (156Mb/s), ON
14
Select
Open Mask
and open the
STM001_OC3.msk
.
OC-1/STM-0 Eye Mask
N O T E
Ensure Vertical Calibration and Extinction Ratio Calibration have been
performed for the oscilloscope channel and vertical sensitivity range to
ensure measurement accuracy. Refer to oscilloscope information/Help if
necessary.
To test the OC-3/STM-1 power level and eye mask
panther3_iv.book Page 85 Wednesday, January 15, 2003 12:03 PM
Содержание OmniBER J7230A
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