Viavi OneExpert ONX CATV User Manual page 13

ONX test examples in Remote PHY environment
Amplifier input test points
QUICK CHECK
Report levels for 4 downstream frequencies
CHANNEL CHECK
Report levels for 2 upstream frequencies
(lowest & highest)
R-PHY
Amp
Node
Tap
Coax
Loop-through (one randomTAP)
QUICK CHECK
Check levels for 2 downstream frequencies
Low pilot (285MHz) – High pilot (1140MHz)
Amplifier output test points
QUICK CHECK
Report levels for 2 downstream frequencies
Low pilot (285MHz) – High pilot (985MHz)
CHANNEL CHECK
Report MER & BER measured for 2 downstream frequencies
DOCSIS CHECK
Report levels for 2 upstream frequencies (lowest & highest)
Tap
End-Point (one randomTAP)
QUICK CHECK
Check levels for 2 downstream frequencies
Low pilot (285MHz) – High pilot (1140MHz)
DOCSIS CHECK
Check levels for 2 upstream frequencies (lowest & highest)
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ONX Return Generator and
Loopback application with
R-PHY
Node
Amp
Tap
Coax
Rx
Rx alignment
amplifier
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Tx
Tx
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