ETX-BT
29
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)