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Interpreting
Front panel LEDs
LEDs
Table 7: Front-panel LED Indicator Descriptions provides the meaning of
the color and state of each LED.
Indicator Label
CARRIER
TRANSPORT
COMPEL
SERVICES
WARNING
wegener.com
Figure 3.5 LED Indicators
Table 7: Front-panel LED Indicator Descriptions
Color and State*
GREEN constant
Unit has demod and FEC lock on the RF carrier
Off
Unit does not have demod and FEC lock on the RF carrier
GREEN constant
Unit recognizes a valid transport stream
Off
Unit does not recognize a valid transport stream
GREEN constant
COMPEL control stream received within last two minutes
(including keep-alives) while locked continuously on the current
transport stream for >2 minutes
GREEN flash
Unit has had a verified transport stream for >2 minutes and
COMPEL is required but no valid COMPEL
GREEN flutter
COMPEL has been addressed to unit within last 5 seconds
(excluding keep-alives)
Off
Otherwise. Note that this LED must be OFF when there is no
valid Transport stream OR COMPEL
GREEN constant
Unit is processing services for delivery
Off
Unit is not processing services
YELLOW constant
One or more warning indications exist, usually the failure of a
non-essential item, or to warn of an impending failure of an
essential item
Off
No warning conditions
Unity 4650 User's Manual
Meaning
45
800034-01 Rev. A
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