Supermicro X11DDW-L/NT User Manual page 47

Power Fail LED
The Power Fail LED connection is located on pins 5 and 6 of JF1. Refer to the table below
for pin definitions.
Overheat(OH)/Fan Fail/PWR Fail/UID LED
Connect an LED cable to pins 7 and 8 of the Front Control Panel(JF1) to use UID/Overheat/
Fan Fail/Power Fail LED connections. The LED on pin 8 provides warnings of overheat, power
failure or fan failure. Refer to the tables below for more information.
Information LED (UID/OH/PWR Fail/Fan Fail LED)
Pin Definitions (Pin 7 & Pin 8 of JF1)
Pin# Definition
7 Blue UID LED
8 OH/Fan Fail/PWR Fail LED
Status
Solid red
Blinking red (1Hz)
Blinking red (0.25Hz)
Solid blue
Blinking blue (300 msec)
1
Power Button PWR
Reset Button Reset
3.3V
2
UID LED
3.3V Stby
3.3V Stby
3.3V Stby
3.3V
X
NMI
19
Power Fail LED
Pin Definitions (JF1)
Pin# Definition
5 3.3V
6 PWR Supply Fail
State
Off
On
Flashing
Information LED (UID/OH/PWR Fail/Fan Fail LED)
Pin Definitions (Pin 7 & Pin 8 of JF1)
Description
An overheat condition has occurred. (This may be caused by cable congestion).
Fan failure: check for an inoperative fan.
Power failure: check for a non-operational power supply
Local UID is activated. Use this function to locate a unit in a rack-mount
environment that might be in need of service.
Remote UID is on. Use this function to identify a unit from a remote location that
might be in need of service.
2
Ground
Ground
1
Power Fail LED
3
OH/PWR Fail/Fan Fail LED
NIC2 Activity LED
NIC1 Activity LED
HDD LED
Power LED
X
Ground
20
49
Information LED (UID/OH/PWR Fail/Fan Fail LED)
State Definitions (Pin 7 & Pin 8 of JF1)
Definition
Normal
Overheat
Fan Fail
1. Power Fail LED
2. UID LED
3. OH/PWR Fail/Fan Fail LED
Chapter 2: Installation