
Functional Description AM4120 IPMI Firmware
Page 34 ID 1045-9586, Rev. 1.0
The following table describes the functions of the IPMI Module Management LEDs.
Table 15: IPMI Module Management LED Functions
LED COLOR STATE NORMAL MODE
OVERRIDE MODE
selectable by user or
carrier, depending on
PICMG LED
command
LED1
(Out-of-
Service
LED)
red off Default By user:
• Only lamp test
on MMC out of service or in reset state
blinking MMC firmware upgrade
LED2
(Health
LED)
green/
red+amber
green: blinking MMC running showing its heartbeat By user:
• Only lamp test
green: blinking and pulsing MMC heart beat and KCS traffic
red: on +
amber: blinking
Health error detected +
MMC heart beat
red: on +
amber: blinking and pulsing
Health error detected +
MMC heart beat and KCS traffic
HS LED
(Hot Swap
LED)
blue on a) Module ready for hot swap
extraction, or
b) Module has just been inserted in
a powered system
By carrier:
• On
• Off
• Slow/Fast Blinking
By user:
• Only lamp test
blinking Module hot swap in progress;
module not ready for extraction
off Module is in normal operation
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