Supermicro X11SRL-F 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.
UID/Overheat (OH)/Fan Fail
Connect an LED cable to UID/OH/Fan Fail connections on pins 7 and 8 of JF1 to provide
front UID LED indication and warnings of overheating or fan failure. Refer to the tables below
for pin definitions.
OH/Fan Fail Indicator
Status (JF1)
State Definition
Off Normal
On Overheat
Flashing Fan Fail
1
PWR
Power Button
Reset
Reset Button
3.3V
3
UID LED
3.3V LAN
3.3V LAN
UID SW
3.3V
NMI
19
Power Fail LED
Pin Definitions (JF1)
Pin# Definition
5 3.3V
6 PWR Supply Fail
2
Ground
Ground
1
Power Fail LED
2
OH/Fan Fail LED
NIC2 Active LED
NIC1 Active LED
HDD LED
PWR LED
Ground
20
39
Chapter 2: Installation
UID/OH/Fan Fail LED
Pin Definitions (JF1)
Pin# Definition
7 Front UID LED
8 OH/Fan Fail LED
1. Power Fail LED
2. OH/Fan Fail LED
3. Front UID LED