Supermicro PWS-251-1H, Руководство пользователя

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SC721 Chassis Manual
4-2 4-3
Chapter 4 System Interface
Power Button
The main power switch is used to apply or remove power from the power supply
to the server system. Turning off system power with this button removes the main
power, but keeps standby power supplied to the system. Therefore, you must unplug
system before performing most maintenance tasks.
Reset Button
The reset button is located below the power button and allows you to manually
reset the system.
4-3 Control Panel LEDs
There are four control panel LEDs that provide status information about the system.
4-2 Control Panel Buttons
HDD LED
Indicates activity on the HDDs or peripheral drives when flashing.
NIC1 LED
Indicates network activity when flashing.
Information LED
Alerts operator of several states, as noted in the table below.
Overheating
There are several possible responses if the system overheats.
If the system overheats:
1. Use the LEDs to determine the nature of the overheating condition.
2. Confirm that the chassis cover is installed properly.
3. Check the routing of the cables and make sure all fans are present and operat-
ing normally.
4. Verify that the heatsinks are installed properly.
Informational LED
Status Description
Solid red
An overheat condition has occured.
(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
Local UID has been activated. Use this
function to locate the server in a rack
mount environment.
Blinking blue (300 msec)
Remote UID is on. Use this function to
identify the server from a remote location.
Power LED
This LED Indicates that power is being supplied to the system's power supply units.
This LED should normally be illuminated when the system is operating.