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OH/Fan Fail/PWR Fail/UID LED
Connect an LED cable to pins 7 and 8 of the Front Control Panel (JF1) to use UID/Overheat/
Fan Fail/Power Fail LED connections. The LED on pin 8 provides warnings of overheat, power
failure or fan failure. Refer to the tables below for details.
Status
Solid red
Blinking red (1Hz)
Blinking red (0.25Hz)
Solid blue
Blinking blue (300 msec)
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 LAN port 2 is on pins 9 and 10. Attach the NIC LED cables here to
display network activity. Refer to the table below for pin definitions.
HDD LED
The HDD LED connection is located on pins 13 and 14 of JF1. Attach a cable to pin 14 to
show hard drive activity status. Refer to the table below for pin definitions.
Informational LED-UID/OH/PWR Fail/Fan Fail LED
Pin Definitions (Pin 7 & Pin 8 of JF1)
Description
An overheat condition has occurred. (This may be caused by cable congestion).
Fan failure: check for an inoperative fan.
Power failure: check for a non-operational power supply
Local UID is activated. Use this function to locate a unit in a rack mount
environment that might be in need of service.
Remote UID is on. Use this function to identify a unit from a remote location that
might be in need of service.
LAN1/LAN2 LED
Pin Definitions (JF1)
Pin#
Definition
Pin#
9
+3.3V
10
11
+3.3V
12
HDD LED
Pin Definitions (JF1)
Pins
Definition
13
3.3V Stdby
14
HDD Active
51
Chapter 4: Motherboard Connections
Definition
NIC 2 Activity LED
NIC 1 Activity LED
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