3 status leds – ADLINK ETX-BT User Manual
Page 30
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Page 30
ETX-BT and the DB40 Module connected
6.3 Status LEDs
To facilitate easier maintenance, status LED’s are mounted on the board.
LED1
LED2
LED3
LED Descriptions:
Name Color
Connection
Function
LED1
Blue
BMC output
Power Sequence Status Code (BMC)
Power Changes, RESET
(see Section 7.1 Exception Codes)
LED2
Green Power
Source
3Vcc
S0
LED
ON
S3/S4/S5 LED
OFF
ECO mode
LED OFF
LED3
Red
BMC output and
same signal as
WDT (B27) on BtB
connector
Module power up
LED OFF
Watchdog counting
LED OFF
Watchdog timed out
LED ON
Watchdog RESET
LED ON
Rebooted after WD RESET
LED ON
Rebooted after PWRBTN
LED ON
Rebooted after RESET BTN
LED OFF
Note: only a RESET not initiated by the BMC can clear the WD LED
(user action)
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