NEC SV8500, Руководство по эксплуатации и обслуживанию

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CHAPTER 2 Operations of SV8500 Server
8.1.2 How to Check LED
To determine whether the system is in normal operation or not, maintenance personnel can check LED
lamps. The following shows a sample of LED indications when the system is in normal operation. Note
that the sample assumes that the system is operating by CPU #0, TSW #0, and PLO #0.
<1-IMG>
.
Note: If both ACT lamps (SYS0 and SYS1) light green because of reasons such as ACT-CPU failure, the system
whose LINK lamp is lighting green is ACT side.
How To Judge ACT/STBY of Each Block (1-IMG)
Block Card LED Name (Color) State Description Remarks
CPU EMA Card ACT (Green)
ON ACT
ACT (SYS0) is ON: CPU 0 is ACT
Note
ACT (SYS1) is ON: CPU 1 is ACT
OFF STBY
Speech
Path
TSW
TSW ACT (Green)
ON ACT ACT/STBY of TSW and MUX cards always switch
over in combination when speech path is provided in
dual configuration.
OFF STBY
MUX ACT (Green)
ON ACT
OFF STBY
PLO PLO ACT (Green)
ON ACT TSW includes PLO function. However, TSW and
PLO switch over independently.
OFF STBY