
Introduction
Page 4 AM4311 User Guide
1.2.2.3 Health LED (LED2)
The AM4311 Switch Board supports a Health LED mounted on the front panel. This sensor is built from an aggre-
gation of critical sensors of the MMC. In normal condition, the Health error sensor is not asserted and the
LED is green indicating normal operation. If the sensor i
s asserted for any reason, the LED is set to amber.
The following states are possible.
Table 1-3: Health LED State
LED state Description
ON normal state when board is in operation, and all sensors related are in range.
Off payload is off
Amber switched to AMBER when the payload is on and at least one sensor is out of range.
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