Intel MPRTM0020 ユーザーズマニュアル

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The RJ-45 connector for each of the Gigabit Ethernet ports on the RTM has two indicator LEDs 
integrated in the connector body. 

As shown in 

, the top LED represents the LINK LED while the bottom LED represents 

the SPEED LED. 

Function: Hot Swap as defined in AdvancedTCA 3.0 Specification

It is also possible for a user to override the default behavior of the LED using 
AdvancedTCA FRU LED Control commands.

Possible States: OFF / BLUE / SHORT BLINK / LONG BLINK

Blinking Blue: Preparing for removal/insertion. Long blink indicates activation is in 
progress, short blink when deactivation is in progress

Function: Out of Service (AdvancedTCA LED 1).
RED: The board is out of service.
OFF: The board is running. 
It is possible for a user to override the default IPMC behavior of the LED using 
AdvancedTCA FRU LED Control commands.
Possible States: OFF / RED / AMBER

Function: Health (AdvancedTCA LED 2). The SBC health is based on an aggregation of 
IPMI sensors, like board temperature and voltage. 

Green: The SBC is healthy.

Red: The SBC is not healthy.

It is possible for the user to override the default IPMC behavior of the LED using 
AdvancedTCA FRU LED Control commands.

Possible States: OFF / GREEN / RED / AMBER