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X11SSH-F/-LN4F User Manual
Power Button
Blue+
(OH/Fan Fail)
1
NIC1 Activity LED
Reset Button
2
Power Fail LED
HDD LED
FP PWRLED
Reset
PWR
3.3 V
ID_UID_SW/3.3V Stby
Red+
(Blue LED Cathode)
Ground
Ground
19
20
3.3V
X
Ground
NMI
X
NIC2 Activity LED
3.3V Stby
3.3V Stby
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 overheat 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
1. PWR Fail LED
2. OH/FAN FAIL
1
2
OH/Fan Fail LED
Pin Definitions (JF1)
Pin# Definition
7
Blue LED
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 definitions.
Power Fail LED
Pin Definitions (JF1)
Pin# Definition
5
3.3V
6
PWR Supply Fail