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Verification.book Page 59 Monday, January 19, 2004 1:40 PM
Verification Manual
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Set the OmniBER OTN's receiver to display Frequency and
check that the frequency measurement reads between:
9953.2799 MHz and 9953.2801 MHz
11 Reduce the optical attenuator setting by 11 dB and check the
receiver Optical Power result is between:
–8.5 dBm and –5.5 dBm
12 Press <Smart Test>, choose Shortcuts > Trouble Scan then
press <Select>. Press <Run/Stop> to begin measurement.
After 1 minute check that 'No Trouble' is displayed in the
Results window to confirm no errors have been detected.
Press <Run/Stop> to stop measurement.
13 Disable the optical attenuator then disconnect the Optical
signal from the OmniBER OTN Optical IN port and connect
to the power meter. Re-enable the optical attenuator.
14 Check the power meter reading is between:
–8.5 dBm and –5.5 dBm
10.71 Gb/s Rate (Option 112 Only)
15 Set the OmniBER OTN Transmitter to provide an OTN output
with PRBS bulk payload as follows:
Press <Menu>, choose Tx/Rx > Transmitter Settings >
Physical then press <Select>. Set the Signal Mode to OTN.
Ensure the Laser is set to ON.
Check the laser LED is illuminated at the 9.95/10.71 Gb/s
optical out port.
16 Adjust the optical attenuator to obtain a reading of –16 dBm
on the power meter (that is, the receiver minimum sensitivity
for the 10.71 Gb/s rate). Take note of the attenuator setting.
17 Set the optical attenuator to Disable mode.
Note, do not switch OFF the OmniBER OTN laser.
1
Performance Tests
59
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