v Information LED: When this LED is lit, it indicates that a noncritical event has
occurred. An LED on the diagnostics panel is also lit to help isolate the error.
v System-error LED: When this LED is lit, it indicates that a system error has
occurred. An LED on the diagnostics panel is also lit to help isolate the error.
v Release latch: Slide this latch to the left to access the diagnostics panel, which
is behind the operator information panel.
USB
connectors: Connect a USB device, such as USB mouse, keyboard, or other
USB device, to either of these connectors.
Video connector: Connect a monitor to this connector. The video connectors on
the front and rear of the server can be used simultaneously.
Hard disk drive activity LED: 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: Each hot-swap hard disk drive has a status LED.
When this LED is lit, it indicates that the drive has failed. When this LED is flashing
slowly (one flash per second), it indicates that the drive is being rebuilt as part of a
RAID configuration. When the LED is flashing rapidly (three flashes per second), it
indicates that the controller is identifying the drive.
CD/DVD-eject button: Press this button to release a CD or DVD from the
CD-RW/DVD drive.
CD/DVD drive activity LED: When this LED is lit, it indicates that the CD-RW/DVD
drive is in use.
Rack release latches: Press these latches to release the server from the rack.
Rear view
The following illustration shows the connectors and LEDs on the rear of the server.
Attention: In a dc power environment, see the documentation that comes with
the dc power supply for information about the power-supply LEDs.
1 Power cord connector 11 Ethernet 2 connector
2 AC power LED 12 USB 2 connector
3 DC power LED 13 USB 1 connector
4 Power-supply filler panel 14 Video connector
5 Systems-management Ethernet
connector
15 System error LED
6 Ethernet activity LEDs 16 System locator LED
7 Ethernet link LEDs 17 Power on LED
8 Ethernet connector 1 18 Serial connector
9 USB 4 connector 19 SAS connector
10 ThinkServer RD120 Types 6444, 6445, 6446, and 6447: User Guide
