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Appendix B Components B-37
B.20 Rack-mountable Dual Power Feed
Rack-mountable Dual Power Feed (RDPF) is a dedicated option for M8000.
The Rack-mountable Dual Power Feed receives its power supply from two independent
external power sources, ensuring that, even if a failure occurs in one source, power is
supplied to the system from the other source that in normal state. It is applicable only for
single-phase AC input. For three-phase AC power input, a power cabinet is required.
The Rack-mountable Dual Power Feed is shown in
FIGURE B-31.
FIGURE B-31 Rack-mountable Dual Power Feed (RDPF)
The Rack-mountable Dual Power Feed has the following characteristics.
■ Only cold replacement is available for the rack-mountable dual power feed.
■ It provides the mounting locations for all components of the dual power feeder (DPF) and
the three-phase AC power feeder. There are no exclusive conditions for mounting.
■ The Rack-mountable Dual Power Feed has a label bearing the printed component number
and manufacture's serial number.