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Viavi OneExpert ONX CATV User Manual page 191

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Using Field View
Field View
is the remote view of the headend return path on an
instrument located in the field
Isolates the noise source
Using the remote display of the headend the tech can quickly confirm
if actions taken are improving the network or if additional work is
needed
When an interfering ingress source is removed, the noise present at
the headend will drop out revealing a lower noise floor at the
headend
A lower system noise floor eases demodulation of upstream carriers
for the CMTS and leads to a better quality of experience for
subscribers
If enabled on the ONX, Field View mode will appear in the CATV
Network section on the ONX home screen
To enter the mode press, or select, the Field View icon
Noise visible between the active
upstream carriers
viavisolutions.com
Noise source cleaned up reveals a
much lower system noise floor
© 2020 VIAVI Solutions Inc.
191

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