Compaq StorageWorks UltraSCSI RAID Enclosure (DS-BA370 Series) User's Guide (EK-BA370-UG. C02, September 1998)

Environmental Monitoring Unit

3–28 UltraSCSI RAID Enclosure

Replacing an EMU

Complete the procedure in Table 3–9 to remove an EMU and

complete the procedure in Table 3–10 to install an EMU.

Table 3–9 Removing an EMU

1. Clear the cache module and shut down the array controller per the

array controller documentation.

2. If there are no expansion enclosures, go to step 3.

If there are expansion enclosures, press and hold the PVA standby

power switch (C

ALLOUT

1) on an expansion enclosure until the

master EMU initiates a power shut down of all enclosures.

3. Press and hold the PVA standby power switch (C

ALLOUT

1) on the

master enclosure until the master EMU initiates a power shut down

on the master enclosure.

4. If there are no expansion enclosures, go to step 5.

If there are expansion

enclosures, turn O

all the

ac input boxes for each

expansion enclosure by

pressing

on each ac power

switch (C

ALLOUT

1).

5. Turn O

all the ac input

boxes for the master

enclosure by pressing

each ac power switch

ALLOUT

1).

CXO6303A

CXO5488B