31
Chapter 2: Installation
Power Button
OH/Fan Fail
NIC1 Activity LED
Reset Button
HDD LED
PWR LED
Reset
PWR
3.3V Stby
3.3V Stby
Ground
15
3.3V Stby
16
1
2
Ground
NIC2 Activity LED
X
UID
3.3V
X
1
2
1. OH/Fan Fail LED
2. NIC1 Activity LED
3. NIC2 Activity LED
Overheat (OH)/Fan Fail
Connect an LED cable to OH/Fan Fail connections on pins 7 and 8 of JF1 to provide warnings
for chassis overheat and fan failure. Refer to the table below for pin definitions.
OH/Fan Fail Indicator
Pin Definitions
Pin#
Definition
Off
Normal
On
Overheat
Flashing
Fan Fail
OH/Fan Fail LED
Pin Definitions (JF1)
Pins
Definition
7
+3.3V
8
OH/Fan Fail LED
NIC1/NIC2 (LAN1/LAN2)
The NIC (Network Interface Controller) 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 NIC
LED cables to NIC1 and NIC2 LED indicators to display network activities. Refer to the table
below for pin definitions.
LAN1/LAN2 LED
Pin Definitions (JF1)
Pins
Definition
9/11
3.3V Stby
10/12 NIC Activity LED
3