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Cisco CGS 2520 Hardware Installation Guide
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Power Supply Installation
This chapter describes how to remove and install a new or replacement power supply. Your switch ships
with at least one installed power supply module (AC or DC, depending on your order). The power supply
modules are field-replaceable units (FRUs) and are hot-swappable.
For translations of the safety warnings in this chapter, see the Regulatory Compliance and Safety
Information for the Cisco CGS 2520 on the documentation CD and also on Cisco.com.
• Power Supply Modules, page 3-1
• Installation Guidelines, page 3-3
• Grounding the Switch, page 3-4
• Installing the Power Supply Module in the Switch, page 3-6
• Wiring the Power Source, page 3-7
• Removing the Power Supply Module, page 3-12

Power Supply Modules

For information on the power supply modules, see the Power Supply Features, page 1-13.
Table 3-1 Power Supply Modules
Model Description
PWR-RGD-LOW-DC Low-voltage DC. For voltage information, see Table A-6 on page A-4
PWR-RGD-AC-DC High-voltage AC or DC. For voltage information, see Table A-5 on page A-3
PWR-RGD-AC-DC-C (For China) High-voltage AC or DC. For voltage information, see Table A-5
on page A-3