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CHAPTER 20 LED INFORMATION
LED Definitions for Satellite Feeds
Satellite Input LED Indicators:
GREEN = Signal power is detected on the LNB.
AMBER = High power is detected on the LNB.
RED = Low or no signal power is detected on the LNB.
LED Definitions for Blades
Enable LED: Stays lit solid green for the entirety of the time the blade is powered on and is a part of the
authorization donut.
Tx/Rx LED: On initialization/reset/reboot this LED is OFF. When synchronization is initiated successfully by a
blade with the backplane, this LED will begin flashing. Backplane synchronization will be continuously
monitored,
and if at any point synchronization fails, the LED will change from flashing green to OFF until synchronization
begins again successfully.
QAM Output LED: If any service is assigned to any QAM on this blade, the output LED will be solid green. If no
services are assigned to any QAM on this blade, the output LED will be o.
NTSC Output LED: If any service is assigned to any NTSC channel on this blade, the output LED will be solid
green. If no services are assigned to any NTSC channel on this blade, the output LED will be o.
Satellite Receiver Tuner LED:
GREEN = Lock has been achieved on all tuners that have been attempted to be tuned.
AMBER = Lock has failed on at least one tuner that has been attempted to be tuned.
RED = Lock has failed on all tuners that have been attempted to be tuned.
OFF = No tuners have attempted to be tuned.
ATSC Receiver Tuner LED:
GREEN = Lock has been achieved on all tuners that have been attempted to be tuned.
AMBER = Lock has failed on at least one tuner that has been attempted to be tuned.
RED = Lock has failed on all tuners that have been attempted to be tuned.
OFF = No tuners have attempted to be tuned (i.e., no ATSC services have been assigned to an output).
LED Definitions for Cellular Antennas
Cellular Modem LED Indicator:
GREEN = Signal power is detected on the antenna.
AMBER = Low signal at antenna input.
RED = No signal detected.
OFF = Not used.
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