Status Leds; Table 3: Express-Kl2 Led Descriptions - ADLINK Technology Express-KL2 User Manual

4.3.

Status LEDs

To facilitate easier maintenance, status LED's are mounted on the board.
LED1
LED Descriptions
Name Color Connection
LED1 Blue BMC output
LED2 Green Power Source 3Vcc
LED3 Red BMC output
and same signal as
WDT (B27) on BtB
connector
30
LED2 LED3
Function
Power Sequence Status Code (BMC)
Power Changes, RESET
(see 5.1.4 Exception Codes below)
S0 LED ON
S3/S4/S5
ECO mode
Module power up
Watchdog counting
Watchdog timed out
Watchdog RESET
Rebooted after WD RESET
Rebooted after PWRBTN
Rebooted after RESET BTN
Note: only a RESET not initiated by the BMC can clear the WD LED (user action)

Table 3: Express-KL2 LED Descriptions

LED OFF
LED OFF
LED OFF
Keep Last State
LED ON
LED ON
LED ON
LED OFF
LED OFF
Connector Pinouts on Module