Digital Equipment StorageWorks UltraSCSI DS-BA370 Series, User Manual

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Power Verification and Addressing (PVA)
4–10 UltraSCSI RAID Enclosure
Table 4–4 Turning Off the DC Power Distribution
1. Clear the cache module and shut down the array controller as
described in the array controller documentation.
2. Shut down the array controller, press and hold the PVA standby
power switch (C
ALLOUT
1) on an expansion enclosure until the
master EMU initiates a power shut down on all enclosures.
If there is no expansion enclosure, press and hold the PVA standby
power switch (C
ALLOUT
1) on the master enclosure until the EMU
initiates a power shut down.
CXO5821A
1
2
3
3. The enclosure EMU alarm control switches now function as the
subsystem power switch.
Table 4–5 Turning On the DC Power Distribution
1. Momentarily press the EMU alarm control switch (C
ALLOUT
2) on
each expansion enclosure.
CXO5774A
1
2
3
4
5
6
7
2. Momentarily press the EMU Alarm control switch (C
ALLOUT
2) on
the master enclosure.
3. The array controller restores the subsystem to an operational state.