Emu Error Reporting; Emu Error Conditions - Compaq StorageWorks TM RAID Array 3000 Pedestal Storage Subsystem Hardware User's Manual
Pedestal storage system hardware
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Also See for StorageWorks TM RAID Array 3000 Pedestal Storage Subsystem:
- Hardware user's manual (103 pages) ,
- User manual (112 pages)
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EMU Error Reporting
The primary function of the EMU is to detect and report conditions that can
cause the pedestal to malfunction and to report malfunctions. To accomplish
this, the EMU constantly monitors the following pedestal signals:
+5 and +12 VDC
AC input
Power supply present
Total power
Power OK (P_OK)
Power disabled
Fan Speed (minimum and high speed)
Fan exhaust temperature
Shelf OK (S_OK)
The EMU can exchange signals with auxiliary devices and controllers.
EMU Error Conditions
The EMU reports error conditions and malfunctions using an audible alarm
and an LED. The user-enabled audible alarm and the amber fault LED on the
front of the pedestal are the only error indicators.
Maintenance 3-5
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