Supermicro X13SCL-IF User Manual page 39

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
Connect an LED cable to pins 7 and 8 of the Front Control Panel to use the Overheat/Fan
Fail LED connections. The LED on pin 8 provides warnings of overheating or fan failure.
Refer to the tables below for pin definitions.
OH/Fan Fail Indicator
Status
State Definition
Off Normal
On Overheat
Flashing Fan Fail
Power Button
PWR
Reset Button
Reset
3.3V
UID
3.3V Stby
3.3V Stby
3.3V Stby
3.3V
Power Fail LED
Pin Definitions (JF1)
Pin# Definition
5 3.3 V
6 PWR Supply Fail
1 2
Ground
Ground
Power Fail LED
2
OH/Fan Fail
NIC2 Activity LED
NIC1 Activity LED
HDD LED
PWR LED
15 16
39
Chapter 2: Installation
OH/Fan Fail LED
Pin Definitions (JF1)
Pin# Definition
7 +3.3 V
8 OH/Fan Fail LED
1. Power Fail LED
2. OH/Fan Fail
1