NEC Express5800/R320a-E4 User Manual page 44

2-8 General Description
(5) Disk access LED
This LED illuminates while accessing the installed DVDs or CD-ROMs.
(6) Optical disk drive
This device is used to read data from the disks such as DVDs and CD-ROMs
page 2-29)
.
(7) System POWER LED
This illuminates in green when one of the powers of the CPU/IO modules is ON. LED
goes off when both powers of CPU/IO module are OFF.
(8) System FAULT LED
When one of the CPU/IO modules has an error, the LED illuminates in amber. Details
can be confirmed by checking EXPRESSSCOPE. The LED illuminates in amber when
it cannot identify which one of the CPU/IO moulds has an error.
(9) System FT LED
This LED displays the device status. The LED illuminates in green when operating
under duplex condition. The LED goes off if it's not duplex. The LED illuminates in
green when executing Active Upgrade.
(10) System ID LED
The system ID LED illuminates in blue on the front bezel if pressing UID switch when
there are multiple devices installed on one rack. This enables to identify the device to
be maintained. This LED blinks in blue when there are device identification requests
remotely.
(11) USB connector
It connects with the device supporting USB interface.
(12) Power switch
This switch is to turn ON/OFF the power. When pressing it once, the power will be ON.
When pressing it again, the power will be OFF. Forced shut down takes place when
pressing it for 4 seconds or longer.
(13) CPU/IO module 1
This is a module with a set of CPU (processor), memory (DIMM), PCI board, cooling
fan unit, and hard disk drive. The name of each part is the same as CPU/IO module 0.
(14) EXPRESSSCOPE various LEDs (green/amber)
This LED indicates the status of CPU/IO modules (see page 2-17).
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