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24-2 SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
■ Section 24.1.1, “Overview of RDPF” on page 24-2
■ Section 24.1.2, “Addition and Deletion” on page 24-3
Turn off the server power before adding or deleting a rack-mountable dual power feed
option.
24.1.1 Overview of RDPF
This section provides an overview of rack-mountable dual power feed and describes the
mounting location.
Rack-mountable dual power feed is the M8000 server dedicated option. It is mounted on
equipment rack of M8000 server. In case that M8000 server uses the single-phase AC power
input, rack-mountable dual power feed enables it to receive the supply of power from the
separate independent external power supply and assures the power output to the servers in
time of errors of external power. A rack-mountable dual power feed option is never a target
of active maintenance because it is not a FRU.
FIGURE 24-1 shows the mounting location of rack-mountable dual power feed of M8000
server.