IBM System x3755Types 7163, Installation Manual

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Hard disk drive activity LED: When this LED is flashing, it indicates that a
SAS hard disk drive is in use.
Locator LED: When this LED is lit, it has been lit remotely by the system
administrator to aid in visually locating the server.
Information LED: When this LED is lit, it indicates that a noncritical event has
occurred. An LED on the light path diagnostics panel is also lit to help isolate
the error.
System-error LED: When this LED is lit, it indicates that there is a fault or
condition in the server and that light path diagnostics might light an additional
LED to help isolate the condition.
Release latch: Slide this latch to the left to access the light path diagnostics
panel.
USB connectors: Connect USB devices to these connectors.
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: If the server is configured for RAID operation, when
this LED is lit, it indicates that the associated hard disk drive has failed. If the LED
flashes slowly (one flash per second), the drive is being rebuilt. If the LED flashes
rapidly (three flashes per second), the controller is identifying the drive.
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.
Rear view
The following illustration shows the connectors and LEDs on the rear of the server.
SP Ethernet
10/100
SP Ethernet
10/100
activity LED
SP Ethernet
10/100
link LED
Serial
Keyboard
Mouse USB
Gigabit
Ethernet 1
Gigabit
Ethernet 1
link LED Gigabit
Ethernet 2
link LED
Gigabit
Ethernet 1
activity LED Gigabit
Ethernet 2
activity LED
Gigabit
Ethernet 2
Video
Power-on
LED
Locator
LED
System-
error
LED
Power supply
SP Ethernet 10/100 activity LED: This LED is on the SP Ethernet 10/100
connector. When this LED is lit, it indicates that there is activity between the server
and the network.
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IBM System x3755 Types 8877 and 7163: Installation Guide