Supermicro M11SDV-4C-LN4F User Manual page 35

Overheat (OH)/Fan Fail/PWR Fail LED
Connect an LED cable to pins 7 and 8 to use the Overheat (OH)/Fan Fail/PWR Fail LED
connections. The LED on pin 8 provides warnings of overheat, fan failure, or power failure.
Refer to the tables below for pin definitions.
OH/Fan Fail Indicator Status
State Definition
Off Normal
On Overheat
Flashing Fan Fail/PWR Fail
LAN1/LAN2 Activity LED
The LAN LED connection for LAN port 1 is located on pins 11 and 12 of JF1, and the LED
connection for LAN port 2 is on pins 9 and 10. Attach the NIC LED cables here to display
network activity. Refer to the table below for pin definitions.
LAN1/LAN2 LED
Pin Definitions (JF1)
Pin# Definition
9 +3.3 Stby
10 LAN2 Activity LED
11 +3.3 Stby
12 LAN1 Activity LED
1 2
Ground
PWR Power Button
Reset Button
Reset
Ground
3.3V* Power Fail LED*
OH/Fan Fail LED
UID LED*
3.3V Stby
NIC2 Activity LED
3.3V Stby
NIC1 Activity LED
3.3V Stby
HDD LED
3.3V Stby
FP PWRLED
X X
Ground
NMI
19 20
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Chapter 2: Installation
OH/Fan Fail LED
Pin Definitions (JF1)
Pin# Definition
7 Blue UID LED
8 OH/Fan Fail/PWR Fail LED
1. OH/Fan Fail/PWR Fail LED
2. NIC2 Activity LED
3. NIC1 Activity LED
1
2
3