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18-1
CHAPTER
18
AC Section Replacement
This chapter explains the replacement procedures for AC sections (ACSs). It covers
the following:
■ Section 18.1, “Overview of ACSs” on page 18-1
■ Section 18.2, “Cold Replacement” on page 18-5
As a replacement method for ACSs, only the cold replacement method can be used
for the sensor units. For the definition of the replacement method, see Section 4.1,
“Types of Replacement Procedures” on page 4-2.
On the rack-mountable dual power feed option and power cabinet (see Chapter 24),
the replacement procedure differs partially depending on the mounted AC section.
For details on types of AC section, see
B.17.
■ The same replacement procedure is used for all single-phase AC sections (ACS_A,
ACS_B, and ACS_C). See the replacement procedure for the AC section for the
SPARC Enterprise M8000 server or SPARC Enterprise M9000 server.
■ The replacement procedure used for the AC section for the dual power feed
option (ACS_D) is the same as for the single-phase AC section, except for the fact
that the ACS_D does not include a power cord. See the replacement procedure for
the AC section for the SPARC Enterprise M8000 server or SPARC Enterprise
M9000 server.
■ The connector part of the power cable for the three-phase AC sections
(ACSTPH_A, ACSTPH_B, ACSTPH_C, and ACSTPH_D) is a bolt pin. See the
replacement procedure for the three-phase AC section.
18.1 Overview of ACSs
This section provides an overview of ACSs and shows their mounting locations.