Supermicro X12STL-IF - Page 37

37
Chapter 2: Installation
OH/Fan Fail/PWR Fail LED
16
NIC1 Activity LED
15
HDD LED
PWR LED
3.3V Stby
3.3V Stby
UID
NIC2 Activity LED
3.3V
3.3V Stby
Power Button
Reset Button
Reset
PWR
Ground
Ground
1 2
Power Fail LED
3.3V
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 denitions.
OH/Fan Fail Indicator
Status
State Denition
O󰀨 Normal
On Overheat
Flashing Fan Fail
OH/Fan Fail LED
Pin Denitions (JF1)
Pin# Denition
7 +3.3V
8 OH/Fan Fail LED
Power Fail LED
The Power Fail LED connection is located on pins 5 and 6 of JF1. Refer to the table below
for pin denitions.
Power Fail LED
Pin Denitions (JF1)
Pin# Denition
5 3.3V
6 PWR Supply Fail
1. Power Fail
2. OH/Fan Fail/PWR Fail LED
1
2