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4-30 SPARC Enterprise M8000/M9000 Servers Service Manual • June 2010
4.5.3.3 SPARC Enterprise M8000 Server Three-Phase Power Feed
FIGURE 4-6 Main Line Switch Locations (Power Cabinet)
Note – Same type of switch is used for main line switches in base cabinet and power
cabinet on a system with three-phase dual power feed.
M8000 three-phase power feed:
-Switch (x5)
-ACS_D
M8000 three-phase power feed:
-Switch (x4)
-ACS_D
M8000 three-phase power feed
(for dual power feed option):
-Main line switch (x1)
-ACSTPH_A (delta connection)
or ACSTPH_B (star connection)
M8000 three-phase power feed
(for base power feed):
-Main line switch (x1)
-ACSTPH_A (delta connection)
or ACSTPH_B (star connection)
Front
Rear