Input cards and output cards – Grass Valley NV8500 Series v.3.5 User Manual
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NV8500 Series
User’s Guide
Input Cards and Output Cards
You can observe the LEDs on the input and output cards to determine whether the cards are
operating properly. This illustration shows the LEDs of a 3Gig/TDM (MADI) input card as an
example:
These are the LEDS at the front of an input or output 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: Path Light (blue)
LED 11: Valid Backplane (green)
LED 12: Test (green)
LED 6: Good COM (green)
LED No.
LED Name
LED Color
Function
12
Test
Green
ON normally. In TDM test mode with DIP switch position
8 in the ON position, LED 12 will blink at a rate of approx-
imately 1Hz
11
Valid Backplane
Green
ON if the card is mated to a correct backplane
2
‘Path Lite’
Blue
OFF
normally
. On if errors were detected in either
stream under test mode, reset by pressing the PathLite
switch. Reserved for Grass Valley personnel.
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