Sun Microsystems Sun Fire E25K Service Manual page 183

16
C H A P T E R
Cable Replacement Procedures
FIGURE 16-1
Fire E25K/E20K systems. Cable functions are further defined in the diagrams shown
in
FIGURE 16-2
FIGURE 16-8
corresponds to the cable connections. Review
color definitions. This chapter contains the replacement procedures specifically for
the internal cabinet cables.
This chapter contains the following sections:
Section 16.1, "AC Power Cord" on page 16-8
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Section 16.2, "Internal Cabinet Cable Replacement Procedures" on page 16-8
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Section 16.3, "Powering On the System" on page 16-20
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For your protection, also observe the following safety precautions when setting up
your equipment:
Follow all cautions and instructions marked on the equipment.
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Always use proper ESD equipment and procedures when handling boards and
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components.
Never push objects of any kind through openings in the equipment as they might
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touch dangerous voltage points or short out components that can result in fire or
electric shock.
Refer servicing of equipment to qualified personnel.
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shows the locations of the internal system cable connections for the Sun
. ,
FIGURE 16-3
and
FIGURE 16-9
Section 16.2.1, "Powering Off the System for Cable Replacement" on page 16-8
Section 16.2.2, "48 VDC Power Cable Replacement" on page 16-10
Section 16.2.3, "Power Shelf I2C or TopCap Cable Replacement" on page 16-11
Section 16.2.4, "Power Crossover Cable Replacement" on page 16-12
Section 16.2.5, "Fan Tray Power Cable Replacement" on page 16-13
Section 16.2.6, "Internal Cable Harness Set Replacement" on page 16-16
Section 16.2.7, "TopCap Cable Replacement" on page 16-18
,
FIGURE 16-4 FIGURE 16-5
that identify the silkscreen numbers on the cabinet that
TABLE 16-1
, ,
FIGURE 16-6 FIGURE 16-7
for cable termination wire
,
16-1