86
Installation and Verification Manual
3
Performance Tests
15
Select oscilloscope
Autoscale
and allow the oscilloscope to
find signal and trigger inputs.
16
Start
Mask Test
and check the Optical Output meets the
Mask. See example on
17
Set the oscilloscope to
Eye Measure
mode and select
Extinction Ratio
measurement.
18
Check the Extinction Ratio is greater than
8.2 dB
and record
the measured value.
19
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
OC12
.
20
Select
Eye/Mask Mode
,
Mask Test.
Select
Filter
and set it to
OC-12 (622Mb/s), ON
21
Select
Open Mask
and open the
STM004_OC12.msk
.
22
Select oscilloscope
Autoscale
and allow the oscilloscope to
find signal and trigger inputs.
23
Start
Mask Test
and check the Optical Output meets the
Mask. See example on
24
Set the oscilloscope to
Eye Measure
mode and select
Extinction Ratio
measurement.
25
Check the Extinction Ratio is greater than
8.2 dB
and record
the measured value.
To test the OC-12/STM-4 power level and eye mask
panther3_iv.book Page 86 Wednesday, January 15, 2003 12:03 PM