Kontron AM4204 - Manual (Page 27)

12 AM4204
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2.9.1 Hot Swap LED (Blue LED)
The AM4204 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
2.9.2 Out-Of-Service (OOS) LED (LED1)
Table 2-5: Red LED
2.9.3 Health LED (LED2)
Table 2-6: Amber/Green LED
2.9.4 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 1000 MBit
Green Blinks Activity 1000 Mbit
Amber On Link 10/100 Mbit
Amber Blink Activity 10/100 Mbit