Control Panel - Supermicro SuperServer SYS-221GE-TNHT-LCC User Manual

Control Panel

Feature Description
The main power button applies or removes primary power from the power supply to the
Power Button server but maintains standby power. To perform most maintenance tasks, unplug the rear
power cables completely from the system and wait 30 seconds for capacitors to discharge.
UID Button Use a pin to press the UID button
Indicates power is being supplied to the system power supply units. This LED is illuminated
Power LED
when the system is operating normally.
Drive LED Indicates drive activity.
Network LED 1 Indicates network activity on LAN1 when flashing.
Network LED 2 Indicates network activity on LAN2 when flashing.
Information LED Alerts operator to several states, as noted in the table below.
Power Fail LED Indicates a power supply module has failed.
Color, Status
Red, solid
Red, blinking at 1 Hz
Red, blinking at 0.25 Hz
Red, solid, with Power LED blinking
green
Blue and red, blinking at 10 Hz
Blue, solid
Blue, blinking at 1 Hz
Blue, blinking at 2 Hz
Blue, blinking at 4 Hz
Blue, blinking at 10 Hz with Power
LED blinking green
Power LED
Network LED 2
Power Fail
Figure 1-3. Control Panel
Control Panel Features
Information LED
Description
An overheat condition has occurred.
Fan failure, check for an inoperative fan.
Power failure, check for a non-operational power
supply.
Fault detected
Recovery mode
UID has been activated locally to locate the
server in a rack environment.
UID has been activated using the BMC to locate
the server in a rack environment.
BMC is resetting
BMC is setting factory defaults
BMC/BIOS firmware is updating
11
Chapter 1: Introduction
Power Button
UID Button
Drive LED
Network LED 1
Information LED