11
Chapter 1: Introduction
Control Panel Features
Feature
Description
Power button
The main power switch applies or removes primary power from the power supply to the server
but maintains standby power.
UID button/LED
BMC button
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.
This button can also be used to reset the BMC. See Chapter 3.
Power LED
Indicates power is being supplied to the system power supply units. This LED is illuminated
when the system is operating normally.
HDD
Indicates activity on the storage drives when flashing.
NIC (LAN1) LED
Indicates network activity on LAN1 when flashing.
NIC (LAN2) LED
Indicates network activity on LAN2 when flashing.
Power Fail LED
Indicates a power supply module has failed.
Information LED Alerts operator to several states, as noted in the table below.
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.
Solid blue
UID has been activated locally to locate the
server in a rack environment.
Blinking blue
UID has been activated using IPMI to locate the
server in a rack environment.
Control Panel
Figure 1-2. Control Panel
Power
Information LED
UID Button/LED
BMC Reset
HDD
NIC (LAN1) LED
Power LED
NIC (LAN2) LED
Power Fail LED