Lenovo ThinkServer RD120 User Guide - Page 24
Information, System-error, Release, latch, connectors, Video, connector, drive, activity, status, CD
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Rear view 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. 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 2 AC power LED 3 DC power LED 4 Power-supply filler panel 5 Systems-management Ethernet connector 6 Ethernet activity LEDs 7 Ethernet link LEDs 8 Ethernet connector 1 9 USB 4 connector 10 ThinkServer RD120 Types 6444, 6445, 6446, and 6447: User Guide 11 Ethernet 2 connector 12 USB 2 connector 13 USB 1 connector 14 Video connector 15 System error LED 16 System locator LED 17 Power on LED 18 Serial connector 19 SAS connector