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2.5 Gb/s Optical Output Checks
Transmission Test Set
Installation and Verification Manual
OC-48/STM-16 Power Level and Eye Mask Tests
26 Change the Transmission Test Set Transmitter > Signal Rate
to OC48. Set Laser to OFF.
27 Remove the Attenuator from the Setup and connect the
2.5 Gb/s Optical Out Port (1310/1550 nm) directly to the
scope Channel 3 Input as shown on the next page.
86100A Optical Oscilloscope
TX Eye Clock
Optical Output
28 Set the Transmission Test Set Laser to ON.
29 On the scope select Setup > Channel 3 > Advanced settings.
Switch scope Channel 3 ON, set it to the correct optical
wavelength for the signal being tested and set Mask Filter to
OC-48 (2.488 Gb/s), ON.
30 Set all other scope channels off.
31 Select Eye/Mask Mode, Mask Test. Select Open Mask and
open the STM016_OC48.msk.
32 Select scope Autoscale and allow the scope to find signal and
trigger inputs.
Performance Tests
86105A
CH3
Optical
I/P
Trigger
I/P
3
93
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