9
Chapter 1: Introduction
Figure 1-2. Control Panel
Control Panel Features
Item
Features
Description
1
Power button/
LED
The main power switch applies or removes primary power from the power supply
to the server but maintains standby power. To perform most maintenance tasks,
unplug the system to remove all power.
2
NIC LED
Indicates IPMI network activity on the LAN when flashing.
3
Information LED Alerts operator to several states, as noted in the following table.
4
UID button/LED
The unit identification (UID) button turns on or off the blue light function of the
Information LED and a blue LED on the rear of the chassis. These are used to
locate the server in large racks and server banks.
Information LED
Status
Description
Continuously on and
red
An overheat condition has occurred.
(This may be caused by cable congestion.)
Blinking red (1Hz)
Fan failure, check for an inoperative fan.
Blinking red (0.25Hz)
Power failure, check for a non-operational power
supply.
1
3
2
4
UID LED
Status
Description
Solid blue
Local UID has been activated. Use this function
to locate the server in a rack mount environment.
Blinking blue
Remote UID is on. Use this function to identify
the server from a remote location.