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Overheat/Fan Fail LED (OH)
Connect an LED to the OH connection on
pins 7 and 8 of JF1 to provide advanced
warning of chassis overheating or fan
failure. Refer to the table on the right for pin
defi nitions and status indicators.
NIC2 (LAN2) LED
The LED connections for LAN2 are on pins
9 and 10 of JF1. Attach LAN LED cables to
display network activity. See the table on the
right for pin defi nitions.
NIC1 (LAN1) LED
The LED connections for LAN1 are on pins
11 and 12 of JF1. Attach LAN LED cables to
display network activity. See the table on the
right for pin defi nitions.
HDD LED
The HDD LED connection is located on pins
13 and 14 of JF1. Attach the hard drive LED
cable here to display disk activity (for any
hard drives on the system). See the table on
the right for pin defi nitions
Power On LED
The Power On LED connector is located
on pins 15 and 16 of JF1. This connection
is used to provide LED indication of power
being supplied to the system. See the table
on the right for pin defi nitions.
Chapter 4: System Safety
OH/Fan Fail LED
Pin Defi nitions
(JF1)
Pin# Defi nition
7
Vcc
8
Control
Pin Defi nitions
Pin# Defi nition
9
10
Pin Defi nitions
Pin# Defi nition
11
12
Pin Defi nitions
Pin# Defi nition
13
14
Pin Defi nitions
Pin# Defi nition
15
16
13
OH/Fan Fail
LED Status
State
Indication
Solid
Overheat
Blinking
Fan fail
NIC2 LED
(JF1)
Vcc
Ground
NIC1 LED
(JF1)
Vcc
Ground
HDD LED
(JF1)
Vcc
HD Active
Power LED
(JF1)
5V Stby
Control
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