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Server controls, LEDs, and power
This section describes the controls and light-emitting diodes (LEDs) and how to turn
the server on and off.
Front view
The following illustration shows the controls, LEDs, and connectors on the front of
the server.
USB port: You can connect a USB device to this connector.
Operator information panel: This panel contains controls, indicators, and a USB
port. Swing it open to see the light path diagnostics LEDs on the side surface.
Details about the operator information panel are listed below.
Power-control button
4
IBM xSeries 365 Types 8861, 8862: Hardware Maintenance Manual and Troubleshooting Guide
USB port
Operator information panel
Hard disk drive
filler panel
Hard disk drive
status LED
Power-on LED
SCSI activity LED
Power-control button: Press this button to turn the server on and off manually. A
power-control-button shield comes with your server. You can install
this disk-shaped shield to prevent the server from being turned off
accidentally.
Power-on LED:
When this LED is lit and not flashing, it indicates that the server is
turned on. When this LED is flashing, it indicates that the server is
turned off and still connected to an ac power source. When this
LED is off, it indicates that ac power is not present, or the power
supply or the LED itself has failed. A power LED is also on the rear
of the server.
Note: If this LED is off, it does not mean that there is no electrical
power in the server. The LED might be burned out. To remove all
electrical power from the server, you must disconnect the power
cord from the electrical outlet.
CD-ROM activity LED
Hard disk drive
activity LED
System-error LED
Reset button
USB connector
Information LED
Locator LED
Operator information panel
Diskette drive
activity LED
Release latch
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