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3
Performance Tests
102
CAL=0
ENB ON
Set the Optical Power Meter to:
WAVELENGTH 1310 nm (or 1550 nm depending on
wavelength used)
Connect the Optical Attenuator between the Power Meter and
the Transmission Test Set's Optical Out port (ensure that all
connections are tight and that the cable has no twists).
5 Press <Menu>, choose System > Preferences then press
<Select>. Set Network Standard to SONET.
Set the transmit Signal Rate to OC1, Wavelength 1310 nm
(or if this is not fitted, select 1550 nm). Ensure the Laser is
set to ON. Check the laser LED is illuminated at the selected
Output Port on the Transmission Test Set's connector panel.
6 Adjust the Optical Attenuator to obtain a reading of –33 dBm
on the Power Meter (that is, the Receiver minimum
sensitivity for 52/155 Mb/s rates). Take note of the
Attenuator setting.
7 Set the Optical Attenuator to Disable mode.
Note, do not switch OFF the Transmission Test Set laser.
Installation and Verification Manual
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