1 hot swap led (blue led), 2 out-of-service (oos) led (led1), 3 health led (led2) – Kontron AM4220 User Manual
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2.10.1 Hot Swap LED (Blue LED)
The AM4220 board supports a blue Hot Swap LED mounted on the front panel. This LED indicates when it is
safe to remove the Module. The on-board MMC drives this LED to indicate the hot swap state but is controlled
by the carriers IPMC or the MicroTCA carrier manager. The following states are possible:
Table 2-4: Hot Swap LED
2.10.2 Out-Of-Service (OOS) LED (LED1)
Table 2-5: Red LED
2.10.3 Health LED (LED2)
Table 2-6: Amber/Green LED
2.10.4 SFP+ LED
Table 2-7: Amber/Green LED
LED state
Description
OFF
Module is in M3 or M4 state, normal state when module is in operation.
ON
Module is ready for hot swap
Short blink
Module is in M5 state (Deactivation Request) or in M6 state (Deactivation in progress)
Long blink
Activation in progress.
LED state
Description
ON
1) The bootup handshake between FUM and MMC is not finished or failed
2) The firmware update is in progress and the new MMC firmware image is copied to the FUM
3) power denied from ShMgr
Blinking
The FUM is programming the MMC due to a firmware update or a rollback
OFF
The MMC is operational
LED state
Description
OFF
Payload power down
Green
Health OK
Amber
Health Error (Critical)
Application
Defined
May be controlled by application using PICMG API
LED state
Description
Green On
Link 10 GBit
Green Blinks
Activity 10 Gbit
Amber On
Link 1 Gbit
Amber Blink
Activity 1 Gbit