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Technicolor COM2000 Manuale dell'Operatore Pagina 110

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All COM46 cards are properly connected to their receivers on the back panel.
All thumbscrews are tightened completely.
If any COM46 cards remain unlit after ensuring that all of these conditions have been met, there
may be something wrong with the cards.
8.1.2 System Startup
It is important to understand the behaviors associated with the execution of normal procedures
before you can effectively diagnose any card issues. This section covers the sequence of events
that occur in a COM2000 system at boot-up.
The COM46 card goes through four steps at startup:
1. Self test
2. IP Initialization (obtain IP address, establish network connectivity)
3. DIRECTV Program Guide acquisition
4. Channel acquisition and video streaming
The COM46 cards take between 2 and 3 minutes to reach a fully functional state after a reboot or
power-up. The status of the card can be tracked during this time by observing the behavior of
the LEDs. Normal LED behavior during startup is listed below in Table 4.
Table 4 – LED Startup and Operating Behavior
LED Behavior
State
Approx.
duration
1
2
3
4
5
6
7
8
9
Note
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
Intialization
10 sec
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
Boot image
verification
1 sec
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
ON
Image execute
1 sec
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
Kernel
decompress
1 sec
-
-
-
-
-
-
-
-
FLASH
Searching for
guide data
2 -3 min
ON
ON
ON
ON
ON
ON
ON
ON
ON
Tuners locked,
video streaming
Note: It is normal for the Tuner LEDs to turn on and off during guide acquisition as they register
with the SWiM. If a Tuner LED (other than 9) is flashing, the tuner is locked to a transport but is
unable to stream video. Check the configuration settings.
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