Chapter 2: Installation
2-9
Overheat LED (OH)
Connect an LED to the OH connec-
tion on pins 7 and 8 of JF2 to pro-
vide advanced warning of chassis
overheating. Refer to the table on
the right for pin definitions.
Power Fail LED
The Power Fail LED connection is
located on pins 5 and 6 of JF2.
Refer to the table on the right for
pin definitions.
NIC1/NIC2 LEDs
The NIC1 (Network Interface Con-
troller) LED connection is located
on pins 11 and 12 of JF2. The NIC2
LED connection is located on pins
9 and 10 of JF2. Attach the NIC1/
NIC2 LED cables to display net-
work activity. Refer to the table
on the right for pin definitions.
HDD LED
The HDD LED (for IDE and SCSI
Disk Drives) connection is located
on pins 13 and 14 of JF2. Attach
the IDE hard drive LED cable to
these pins to display disk activity.
Refer to the table on the right for
pin definitions.
H DD LED Pin
Definitions
(JF2)
Pin
Number
13
14
Definition
Vcc
HD Active
NIC1 LED Pin
Definitions
(JF2)
Pin
Number
11
12
Definition
Vcc
Active
Overheat (OH) LED
Pin Definitions
(JF 2)
Pin
Number
7
8
Definition
Vcc
GND
Power F ail LED
Pin Definitions
(JF 2)
Pin
Number
5
6
Definition
Vcc
GND
NIC2 LED Pin
Definitions
(JF2)
Pin
Number
9
10
Definition
Vcc
Active