92
Installation and Verification Manual
3
Performance Tests
signal being tested and set
Mask Filter
to
OC-192
(9.95Gb/s), ON
,
6
Select
Eye/Mask Mode
,
Mask Test.
Select
Open Mask
and
open the
STM064_OC192.msk
.
7
Select oscilloscope
Autoscale
and allow the oscilloscope to
find signal and trigger inputs.
8
Start
Mask Test
and check the Optical Output meets the
9
Set the oscilloscope to
Eye Measure
mode and setup to
measure the
Average Power
(in dBm) and
Extinction Ratio
.
10
Check the Average Optical Power is between
–1 to +1 dBm
for
version 1 optics OR
–5 to –1
dBm
for version 2. (To
determine if the instrument has version 1 or version 2 optics
fitted check the stated Output Power on the instrument
connector panel.)
11
Check the Extinction Ratio is greater than
8.2 dB
and record
the measured value.
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.
panther3_iv.book Page 92 Wednesday, January 15, 2003 12:03 PM