Emerson AXP640-AC2-110VAC, Installation & Use Manual

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Shelf Management Alarm Module
AXP640 Installation and Use (6806800M24E )
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7.4.5.1 Hot Swap LED
The SAM provides a blue hot swap LED. This LED indicates when it is safe to remove the SAM
from a live shelf.
The software running on the shelf manager mezzanine is responsible for turning the LED on/off
using the GPIOs on the ShMC.
7.4.5.2 SAM Status LEDs
Status is shown using an LED on the SAM face plate. The illumination state of the LED is
normally controlled by the GPIO on the SAM. The following tables describe the LED states.
Table 7-3 Hot Swap LED States
State Condition
Off The SAM is not ready to be removed/disconnected from the shelf
Blue The SAM is ready to be removed/disconnected from the shelf
Long-blink The SAM is activating itself
Short-blink Deactivation has been requested
Table 7-4 SAM LED Status Indicators
SAM Face Plate LED LED Color State State/Condition
IS (In Service) Green On Active, power good
Blinking Standby, power good
OOS (Out of Service) Red On Failed
HS (How Swap) Blue On Remove OK
Critical alarm (CRT) Red On Active
Major alarm (MAJ) Red On Active
Minor Alarm (MIN) Yellow On Active