Monitor cards, Maintenance – Grass Valley NV8500 Series v.3.5 User Manual
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Maintenance
Indicator LEDs
Monitor Cards
You can observe the LEDs on the monitor cards to determine whether the cards are operating
properly. This illustration shows the LEDs of monitor card:
These are the LEDS at the front of a monitor card, from top to bottom:
LED 7: Bad COM (red)
LED 5: FPGAs Loaded (yellow)
LED 4: Power (green)
LED 3: Alarm (red)
LED 2: Monitor Out
LED 11: Valid Backplane (green)
LED 6: Good COM (green)
LED 1: Monitor In
NV8500
AL
ARM
PO
WER
IN
OUT
MONIT
O
R
3Gig SDI
2 MONIT
OR OUT
LED No.
LED Name
LED Color
Function
11
Valid Backplane
Green
ON if the card is mated to a correct backplane
1
Monitor In
Green
The card is an input monitor. (It is in the input card slot.)
2
Monitor Out
Green
The card is an output monitor. (It is in the output card
slot.)
3
Alarm
Red
OFF normally. ON if there is a power supply failure
4
Power
Green
ON if all power supplies are working properly
5
FPGAs Loaded
Yellow
ON
if all FPGAs have successfully loaded. OFF otherwise
6
COM Good
Green
ON if communication with the control card is good. OFF
otherwise
7
COM Bad
Red
ON if errors are received in the control stream from the
control card. Will Blink in test mode