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Annex i: OPTICAL OPTION 233 June 2022
Settings
After the connection is made, the user can use the equipment for measurement
of optical signals as if they were RF signals. Steps to measure a signal are as
follows:
1 Press the Settings , key and in “Signal source” select “Fiber optic”.
2 From Settings, select the corresponding band, whether terrestrial (for optical
link) or satellite (for optical LNB). In the case of a satellite optical signal and
frequency tuning, user has to select the signal type, characterized by the
band (low/high) and the type of polarization (vertical/horizontal). In the case
of a satellite optical signal and channel tuning, the parameters are defined
by the channel (refer to the Settings menu section for more details).
3 Select the Optical module option and press the joystick.
4 It appears a window to enable the optical module and to configure additional
parameters.
5 Select Enable.
6 At the top right area of the screen appears the OPT icon meaning there is
external power.
7 It appears a window with some setting parameters.
Figure 131.
In this window appears the level power for each wavelength and also the user
can set two parameters:
Wavelength: Wavelength selection at the RF output by the user among
the three wavelength available: 1310, 1490 and 1550 nm.
Attenuator: It can be enabled (ON) or disabled (OFF). When the
attenuator is ON is 15 dB RF attenuation. When the attenuator is OFF is 0
dB RF attenuation. The attenuator must be adapted to the installation
according to the RF power (modulation index).
243


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