Cisco 2851 - Integrated Services Router Installazione e aggiornamenti
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Installing and Upgrading Fans in the Cisco 2821
and Cisco 2851 Series Routers
This document describes how to install or upgrade fans inside your Cisco 2821 and Cisco 2851 series
routers.
This document is intended for the fan installer who is familiar with electronic circuitry and wiring
practices and has experience as an electronic or electromechanical technician.
Note
Use this document in conjunction with the following documents:
Cisco 2800 Series Hardware Installation guide:
•
http://www.cisco.com/en/US/docs/routers/access/2800/hardware/installation/guide/hw.html
Cisco 2800 Series and Cisco 3800 Series Integrated Services Routers Regulatory Compliance and
•
Safety Information document:
http://www.cisco.com/en/US/docs/routers/access/2800/hardware/rcsi/2838rcsi.html
If you have questions or need help, see the
Guidelines" section on page
This document contains the following sections:
•
Safety Warnings and Guidelines, page 2
•
Items in the Fan Replacement Kit, page 10
•
Required Tools and Equipment, page 10
•
Location of the Cisco 2821 and Cisco 2851 Router Fans, page 11
Upgrading the Cisco 2821 and Cisco 2851 Fan Unit, page 11
•
Obtaining Documentation, Obtaining Support, and Security Guidelines, page
•
Americas Headquarters:
Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
© 2008 Cisco Systems, Inc. All rights reserved.
"Obtaining Documentation, Obtaining Support, and Security
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