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.
Control Panel
Figure 1-2. Control Panel
Power
Power LED
Information LED
UID Button/LED
BMC Reset
HDD
NIC (LAN1) LED
NIC (LAN2) LED
Power Fail LED
Information LED
Color, Status
Description
Red, solid
An overheat condition has occurred.
Red, blinking at 1Hz
Fan failure, check for an inoperative fan.
Red, blinking at 0.25Hz
Power failure, check for a non-operational power supply.
Red, solid, with Power LED blinking green
Fault detected
Blue and red, blinking at 10 Hz
Recovery mode
Blue, solid
UID has been activated locally to locate the server in a
rack environment.
Blue, blinking at 1Hz
UID has been activated using the BMC to locate the
server in a rack environment.
Blue, blinking at 2Hz
BMC is resetting
Blue, blinking at 4Hz
BMC is setting factory defaults
Blue, blinking at 10Hz with Power LED blinking green
BMC/BIOS firmware is updating