User`s manual

Unity 4650 User’s Manual
wegener.com 45 800034-01 Rev. A
Interpreting
LEDs
Front panel LEDs
Table 7: Front-panel LED Indicator Descriptions
provides the meaning of
the color and state of each LED.
Figure 3.5 LED Indicators
Table 7: Front-panel LED Indicator Descriptions
Indicator Label Color and State* Meaning
CARRIER
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
TRANSPORT
GREEN constant Unit recognizes a valid transport stream
Off Unit does not recognize a valid transport stream
COMPEL

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
SERVICES
GREEN constant Unit is processing services for delivery
Off Unit is not processing services
WARNING
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