Emerson 1410 Service Manual Page 178

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Shelf Management Alarm Module
AXP 1410 Installation and Use (6806800H70D)
178
8.4.5 SAM LEDs
The SAM provides the LEDs listed in the following table. More detail on the LEDs is provided in
the following sections. Also refer to Figure 8-2 on page 175 for SAM face plate LED locations
and to Figure 1-1 on page 24 for the ADP teleco LED locations.
8.4.5.1 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.
Table 8-3 SAM LEDs
LED Type Location
Teleco Critical alarm (CRIT)
Major alarm (MAJ)
Minor alarm (MIN)
Alarm Display Panel
Power Power indicator Alarm Display Panel
In Service In Service (IS) SAM face plate
Out of Service Out of Service (OOS) SAM face plate
Hot Swap Hot swap ready (HS) SAM face plate
Table 8-4 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
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