Environmental Monitoring Unit; Figure 4-1. Model 4200-Series Lvd Disk Enclosure Emu - Compaq 4200 User Manual

The Compaq StorageWorks Environmental Monitoring Unit, the EMU, (see Figure 4–1) is
an integral part of every Model 4200 series LVD enclosure. This element performs several
functions, including monitoring the enclosure operation, detecting and indicating errors,
and displaying the EMU and enclosure status.
Figure 4–1. Model 4200-series LVD disk enclosure EMU
1. When F rapidly, the EMU is operational and there is a single–ended drive
LASHING
installed in the enclosure.

Environmental Monitoring Unit

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CXO7131A
Chapter
EMU status LED (green)
1
F —EMU Operational
LASHING
O —Internal EMU problem
N
O —Internal EMU problem
FF
Tower LCD panel cable connector
For transferring error messages to
LCD panel.
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