NEC Express5800/320Fd-MR N8800-123F, EXP320K User Manual page 54

General Description 2-21
EXPRESSSCOPE
Corresponding EXPRESSSCOPE LEDs (amber) illuminate when modules have failures.
The LEDs on the upper line correspond to the upper names, and the LEDs on the lower line
correspond to the lower names.
CPU (CPU module error LED)
Amber LED illuminates when failure occurs on CPU of CPU/IO module.
I/O (I/O module error LED)
Amber LED illuminates when failure occurs on I/O of CPU/IO module.
VLT (Power error LED)
Amber LED illuminates when electric voltage failure occurs in CPU/IO module.
MEM0 (Memory slot 0 error LED)
Amber LED illuminates when failure occurs on the memory slot 0 of CPU/IO module.
MEM1 (Memory slot 1 error LED)
Amber LED illuminates when failure occurs on the memory slot 1 of CPU/IO module.
MEM2 (Memory slot 2 error LED)
Amber LED illuminates when failure occurs on the memory slot 2 of CPU/IO module.
PSU (Power supply unit error LED)
Amber LED illuminates when failure occurs on the power supply unit of CPU/IO module.
TMP (Abnormal temperature LED)
Amber LED illuminates when temperature in CPU/IO module becomes abnormal.