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Shelf Management Alarm Module
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.
Table 7-3 Hot Swap LED States
State
Off
Blue
Long-blink
Short-blink
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 7-4 SAM LED Status Indicators
SAM Face Plate LED
IS (In Service)
OOS (Out of Service)
HS (How Swap)
Critical alarm (CRT)
Major alarm (MAJ)
Minor Alarm (MIN)
146
Condition
The SAM is not ready to be removed/disconnected from the shelf
The SAM is ready to be removed/disconnected from the shelf
The SAM is activating itself
Deactivation has been requested
LED Color
Green
Red
Blue
Red
Red
Yellow
State
State/Condition
On
Active, power good
Blinking
Standby, power good
On
Failed
On
Remove OK
On
Active
On
Active
On
Active
AXP640 Installation and Use (6806800M24E)
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