Power; Power Supplies - Sun Microsystems Fire E6900 Systems Service Manual

4
C H A P T E R

Power

This chapter describes how to remove and replace power supplies and the AC input
box. Location information on the RTS modules is also provided.
To protect both yourself and the equipment, make sure you follow the safety
precautions in
This chapter contains the following sections:
Section 4.1, "Power Supplies" on page 4-1
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Section 4.2, "AC Input Box" on page 4-9
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Section 4.3, "Redundant Transfer Unit (RTU) and Redundant Transfer Switch
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(RTS)" on page 4-13
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4.1

Power Supplies

The Sun Fire E6900 system and the Sun Fire E4900 system each have specialized
power supplies that cannot be interchanged with each other.
Chapter 1 "Safety and Tools
Section 4.1.1, "Power Supply Slot Locations" on page 4-2
Section 4.1.2, "Power Supply LEDs" on page 4-5
Section 4.1.3, "Replacing a Sun Fire E6900 System Power Supply" on page 4-6
Section 4.1.4, "Replacing a Sun Fire E4900 System Power Supply" on page 4-7
Section 4.2.1, "Replacing the AC Input Box" on page 4-11
Section 4.3.1, "Replacing the RTS Modules" on page 4-16
Section 4.3.2, "Replacing the RTU Assembly" on page 4-17
Requirements."
4-1