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Verification.book Page 37 Monday, January 19, 2004 1:40 PM
2.5 Gb/s Optical Output Checks
Verification Manual
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OC-12/STM-4 Eye Mask
OC-48/STM-16 Power Level and Eye Mask Tests
26 Change the OmniBER OTN Signal Rate. Press <Menu>,
choose Tx/Rx > Transmitter Settings > Physical then press
<Select>. Set the Signal Mode to SONET and the 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
oscilloscope Channel 3 Input as shown on the next page.
1
Performance Tests
37
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