Server Controls, Connectors, Leds, And Power; Front View - IBM 72335LU - System x3850 M2 User Manual

Server controls, connectors, LEDs, and power

This section describes the controls, connectors, 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.
Hard disk drive activity LED: On some server models, each hot-swap hard disk
drive has an activity LED. When this LED is flashing, it indicates that the drive is in
use.
Hard disk drive status LED: On some server models, each hot-swap hard disk
drive has a status LED. When this LED is lit continuously, that individual drive is
faulty. When the drive is connected to the integrated SAS controller with RAID
capabilities, a flashing status LED indicates that the drive is a secondary drive in a
mirrored pair and the drive is being synchronized.
USB connectors: Connect USB devices to these connectors.
DVD-eject button: Press this button to release a CD or DVD from the DVD drive.
DVD drive activity LED: When this LED is lit, it indicates that the DVD drive is in
use.
Operator information panel: This panel contains controls and LEDs. The following
illustration shows the controls and LEDs on the operator information panel.
Power-control button cover
The following controls and LEDs are on the operator information panel:
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IBM System x3850 M2 and System x3950 M2 Type 7141: User's Guide
Hard disk drive activity LED
Hard disk drive status LED
USB connectors
Scalability LED
Electrostatic-discharge connector
Power-control button/power-on LED
Ethernet port activity LEDs
DVD-eject button
DVD drive activity LED
Operator information panel
1 2
3 4
Information LED
Ethernet icon LED
1
2
Locator button/locator LED
System-error LED