CHAPTER
3-1
Catalyst 3650 Switch Hardware Installation Guide
OL-29734-01
3
Power Supply Installation
This chapter describes how to install the power supply modules.
• Power Supply Module Overview, page 3-1
• Installation Guidelines, page 3-5
• Installing or Replacing an AC Power Supply, page 3-6
• Installing a DC Power Supply, page 3-7
• Finding the Power Supply Module Serial Number, page 3-12
Power Supply Module Overview
The switch operates with either one or two active power supply modules.
You can use two AC modules, two DC modules, one AC and one DC module, or one module and a blank
cover.
Note In a NEBS installation, you can use two DC modules or one DC module and a blank cover.
All switches ship with a blank cover in the second power supply slot if switches are configured with only
one power supply.
Table 3-1 describes the supported internal power supply modules.
Table 3-1 Power Supply Module Part Numbers and Descriptions
Part Number Description
PWR-C2-1025WAC= 1025-W AC power supply module
PWR-C2-640WAC= 640-W AC power supply module
PWR-C2-250WAC= 250-W AC power supply module
PWR-C2-640WDC= 640-W DC power supply module
PWR-C2-BLANK= Blank cover
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