Artesyn AXP1440, Installation And Use Manual, Page: 136 / 156

Shelf Management Alarm Module
134 AXP1440 Installation and Use (6806800H23U )
7.4.5 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 7-2 on page 131 for SAM face plate LED locations and
to Figure 2-1 on page 50 for the ADP telco LED locations.
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.
Table 7-3. SAM LEDs
LED Type Location
Telco
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 7-4. 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