NEC Express5800/320Fd-MR N8800-123F, EXP320K User Manual page 42

(7) Hard disk drive bay
This is the bay to mount the hard disk drive. The number after the parenthesized number
indicates a slot number.
(8) CPU/IO module DISK ACCESS LED (green/amber)
This LED illuminates in green when the internal hard disk drives are accessed. If any internal
hard disk drive is failing, the LED illuminates in amber.
(9) 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.
(10)-1 CPU/IO module status LED 1 (amber)
This LED indicates the status of the CPU/IO module. When the module is successfully running,
the LED is powered off. If a module has a problem, the LED illuminates in amber.
(10)-2 CPU/IO module status LED 2 (green)
This LED indicates the status of the CPU/IO module. When both of the CPU/IO modules are
running, the LED illuminates in green. When one of the modules is running, the LED blinks in
green or is powered off.
(11) CPU/IO module POWER LED (green)
When the power is turned on, the LED illuminates in green.
(12) EXPRESSSCOPE LEDs (amber)
This LED indicates the fault status of the designated modules. If a module has a problem, the
LEDs illuminate in amber.
General Description 2-9