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Chapter 2: Installation
Fan Fail and UID LED
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
OH/Fan Fail LED
Pin Definitions (JF1)
Pin# Definition
7
UID LED
8
OH/Fan Fail LED
Power Fail LED
The Power Fail LED connection is located on pins 15 and 16 of JF1. Refer to the table below
for pin definitions.
1. Power Fail LED
2. OH/Fan Fail LED
3. UID LED
UID LED
NIC1 Active LED
HDD LED
PWR LED
3.3V Stby
3.3V Stby
Ground
19
Ground
3.3V Stby
20
1
2
Ground
Power Fail LED
NIC2 Active LED
NMI
3.3V
3.3V
OH/Fan Fail LED
Power Button
Reset Button
x
x
3
2
1
Power LED
Pin Definitions (JF1)
Pins
Definition
5
+3.3V
6
Power Fail LED
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