Wegener Communications UNITY 4600 - Manual (Page 40)

Operation
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Rear panel LEDs
The Unity 4600 also has two LED (light-emitting diode) indicators on the rear panel. They
provide the following indications:
LAN – Green LED: On if active LAN connection detected. OFF otherwise.
ACT – Yellow LED: Flashing ON if ethernet packets are output or addressed packets are
input. OFF otherwise.
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
CUE GREEN constant A user cue relay is closed (energized).
GREEN flutter During a user relay “pulse” activation on any relay.
Off All user cue relays are open (de-energized).
ALARM RED constant One or more current alarm indications.
RED blink An alarm event has occurred in the past and has not been
acknowledged and cleared by the user. Note that this state may
exist together with a current alarm (RED constant). In that case,
the blink state is defined as quickly cycling OFF-ON-OFF
(~100ms each) approximately every 2 seconds.
Off No alarm condition currently exists.
AUTH GREEN constant Unit has transport MPEG sync and the stream is not scrambled
(in the clear). Streams that are “clear” are always presumed to be
“authorized”.
OR
Unit is authorized for current scrambled transport stream (or
selected program) and has transport MPEG sync. When using
Wegener CA (’97 Version), being “authorized” means being
addressed with current and valid ciphered keystream messages.
In a PIN system, if the transport stream is scrambled, and the unit
has been programmed with any key other than the null ‘00000’,
then it presumes that it is “authorized”.
GREEN flutter Unit has successfully deciphered a valid descrambling seed in the
last five seconds. Normal behavior in functioning CA system.
Off Unit has transport sync, the transport stream is scrambled, and
the unit is NOT authorized. Also OFF if no transport sync.
* LED states are defined as follows: Blink - alternating ON for ~100ms and OFF for ~2 seconds; Flash - alternating
ON for ~500ms and OFF for ~500ms. Flutter - like flash but with shorter ~100ms ON and OFF times.
Indicator Label Color and State* Meaning