Cisco 3725 - Manual

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Installing AC Power Supplies in Cisco 3725
Routers
Product Numbers: PWR-3725-AC=
This document describes how to replace the AC power supplies in a Cisco 3725 router.
This document is intended for the power supply installer, who should be familiar with electronic
circuitry and wiring practices and have experience as an electronic or electromechanical technician. Use
this document in conjunction with the Cisco 3700 Series Hardware Installation Guide and the
Regulatory Compliance and Safety Information document for your router.
If you have questions or need help, refer to the “Obtaining Technical Assistance” section on page 19 .
This document contains the following sections:
• Safety Recommendations, page 2
• Overview of Cisco 3725 AC Power Supplies, page 6
• Required Tools and Equipment, page 6
• Accessing the Power Supply, page 7
• Replacing the Cisco 3725 Power Supply, page 8
• Electrical Connections for Cisco 3725 Routers, page 17
• Troubleshooting, page 18
• Obtaining Documentation, page 18
• Obtaining Technical Assistance, page 19
Warning Only trained and qualified personnel should be allowed to install or replace this equipment. To see
translations of the warnings that appear in this publication, refer to the Regulatory Compliance
and Safety Information document that accompanied this device.