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FIGURE 3-28
Power cabinet
3.4.2
Connecting a UPS Unit
An uninterruptible power supply (UPS) unit is used to provide a stable supply of power to
the system in the event of a power failure or an extensive power interruption.
You can execute emergency shutdown processing by connecting the UPC port and a UPS
which has a UPC interface.
When using UPSs with the dual power feed option, each AC power source must be
completely isolated from one another and need separate UPSs.
3-32
SPARC Enterprise M8000/M9000 Servers Installation Guide • October 2012
Connecting the Power Cables: Three-Phase Star
ACS for dual
power feed
Cover
Remove the cover
Power cord
M8000: AWG10
M9000: AWG8
Caution - The warning label on the
AC section indicates that the
terminal connection sequence has
been changed.
Connect in accordance with the
terminal sequence described on
the warning label.
Peel off this label when you
connect the power lines.
ACS for base power feed
Compression
terminal (x10)
Bolt diameter: M6
(L1/L2/L3/N or
N/L3/L2/L1)
Bolt diameter: M8
(FG)
FG
(
Mark)
OFF
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Troubleshooting
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