Instruction/ maintenance manual of the product 3825 Series Cisco Systems
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Americas Headquarters: © 20 08 Cisco Syst ems, Inc. All rights reserved. Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA Installing and Upgrading Fans in the Cisco 3825 Series Routers This document describes ho w to i nstall or upgrade f ans inside your Ci sco 3825 series router .
2 Installing and Upgradin g Fans in the Cisco 3825 Series Routers 78-18642-01 Safety Warnings and Guidelines Safety Warnings and Guidelines This section pro vides the safety warnin gs and guidel ines for w orking with the Cisco 3825 series router .
3 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Safety War nin gs and Gu idelines Statement 1071—Warning Definition War ni ng IMPORT ANT SAFETY INSTRUCTIONS This warning symbol means danger . Y ou are in a situation that could cause bodily injury .
4 Installing and Upgradin g Fans in the Cisco 3825 Series Routers 78-18642-01 Safety Warnings and Guidelines Avvertenza IMPORT ANTI ISTRUZIONI SULLA SICUREZZA Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle persone.
5 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Safety War nin gs and Gu idelines.
6 Installing and Upgradin g Fans in the Cisco 3825 Series Routers 78-18642-01 Safety Warnings and Guidelines Avis o INSTRUÇÕES IMPORT ANTES DE SEGURANÇA Este símbolo de aviso significa perigo. V ocê se encontra em uma situação em que há risco de lesões corporais.
7 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Safety War nin gs and Gu idelines.
8 Installing and Upgradin g Fans in the Cisco 3825 Series Routers 78-18642-01 Safety Warnings and Guidelines War ni ng Do not touch the power supply wh en the power cord is connected. For sy stems with a power switch, line voltages are present within the power sup ply even when the power switch is off and the power cord is connected.
9 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Safety War nin gs and Gu idelines War ni ng Before working on equipme nt that is connected to pow er lines, remove jewelry (includin g rings, necklaces, and watches).
10 Installing and Upgradin g Fans in the Cisco 3825 Series Routers 78-18642-01 Items in the Fa n Replacement Kit • If an electrical accident oc curs, proceed as follows: – Use caution, and do not become a victim yourself. – T u rn of f power to the system.
11 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Location of the Cisco 3825 Router Fans Location of the Cisco 3825 Router Fans Figure 1 sho ws the location o f the fan unit in th e Cisco 3825 router . The Cisco 3825 routers contain three fans, which are connected together as one unit.
12 Installing and Upgradin g Fans in the Cisco 3825 Series Routers 78-18642-01 Upgrading the Cisco 3825 Fan Unit Upgrading the Cisco 3825 Fan Unit The fan unit an d cabling for the Cisco 3825 router are contained insid e the chassis. Note The fan unit upgrade pro cedure will take app roximately one hour .
13 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Upgrading the Cisco 3825 Fan Unit Step 5 Remove the three scre ws on each side pane l and set them aside in a safe place. Step 6 Slide the co ver to ward the front of the chassis (about 1 inch [25 mm]), as sho wn in Figure 2 .
14 Installing and Upgradin g Fans in the Cisco 3825 Series Routers 78-18642-01 Upgrading the Cisco 3825 Fan Unit Removing the Fan Unit After you remov e the router co ver , follow these steps to remov e the fan unit. Note Before you begin , read the safety wa rnings as described in the “Safety W arnings and Guidelin es” section on page 2 .
15 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Upgrading the Cisco 3825 Fan Unit Step 2 Remov e the tw o scre ws that hold the top of the fan unit to t he router .
16 Installing and Upgradin g Fans in the Cisco 3825 Series Routers 78-18642-01 Upgrading the Cisco 3825 Fan Unit Step 4 Remov e the tw o scre ws that hold the f an unit to the front of th e chassis. (See Figure 6 .) Figur e 6 Remo ving F an Mounting Scr ews fr om th e Fr ont of the Chassis Step 5 Lift the fan u nit out of the chassis.
17 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Upgrading the Cisco 3825 Fan Unit Step 1 Lo wer the fan u nit do wn and onto the chassis floor . Step 2 Attach fan 1 to t he J4 connector on th e motherboard. (See numb er 1 and 2 in Figure 7 .
18 Installing and Upgradin g Fans in the Cisco 3825 Series Routers 78-18642-01 Obtaining Documentati on, Obtaining Support, and Secur ity Guidelines Step 1 Place the router on a flat surface, with the front panel f acing you. Step 2 Place the cover on the base, with about 1 inch ( 25 mm) of clearance between the cov er and the back panel.
An important point after buying a device Cisco Systems 3825 Series (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cisco Systems 3825 Series yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cisco Systems 3825 Series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cisco Systems 3825 Series you will learn all the available features of the product, as well as information on its operation. The information that you get Cisco Systems 3825 Series will certainly help you make a decision on the purchase.
If you already are a holder of Cisco Systems 3825 Series, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cisco Systems 3825 Series.
However, one of the most important roles played by the user manual is to help in solving problems with Cisco Systems 3825 Series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cisco Systems 3825 Series along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
