Instruction/ maintenance manual of the product 3825 Series Cisco
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Americas Headquarters: © 20 1 0 Cisco Systems, In c. 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 install or upgrad e fans inside your Cisco 3825 series rou ter .
2 Installing and Upgradin g Fans in the Cisco 3825 Series Ro uters 78-18642-01B0 Safety Warnings and Guidelines Safety Warnings and Guidelines This section pro vides the safety warnings and guidel i nes for working with the Cisco 3825 series router .
3 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0 Safety War nin gs and Guid elines Statement 1071—Warning Definition War ni n g 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 Ro uters 78-18642-01B0 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 78-18642-01B0 Safety War nin gs and Guid elines.
6 Installing and Upgradin g Fans in the Cisco 3825 Series Ro uters 78-18642-01B0 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 78-18642-01B0 Safety War nin gs and Guid elines.
8 Installing and Upgradin g Fans in the Cisco 3825 Series Ro uters 78-18642-01B0 Safety Warnings and Guidelines War ni n g 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 78-18642-01B0 Safety War nin gs and Guid elines War ni n g Before working on equipme nt that is connected to power lines, remove jewelry (in cluding rings, necklaces, and watches).
10 Installing and Upgradin g Fans in the Cisco 3825 Series Ro uters 78-18642-01B0 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 urn off po wer to the system.
11 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0 Location of the Cisco 3825 Router Fans Location of the Cisco 3825 Router Fans Figure 1 sho ws the location of the fan unit i n the Cisco 3825 router . The Cisco 3825 rout ers contain three fans, which are connected together as one unit.
12 Installing and Upgradin g Fans in the Cisco 3825 Series Ro uters 78-18642-01B0 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 i nside the chassis. Note The fan unit upgrade pro cedure will take approximately one hour .
13 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Step 5 Remove the three scre ws on each side pa ne 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 Ro uters 78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Removing the Fan Unit After you remov e the router cov er, foll ow these steps to remo ve the fan unit. Note Before you begin , read the safety warnings as described in th e “Safety W arnings and Guidel ines” section on page 2 .
15 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Step 2 Remov e the two scre ws that hold the top of the fa n unit to the router .
16 Installing and Upgradin g Fans in the Cisco 3825 Series Ro uters 78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Step 4 Remov e the two scre ws that hold the fan unit to t he front of the chassis. (See Figure 6 .) Figur e 6 Removing F an Mounti ng Screws fr om the F ront of the Chas sis Step 5 Lift the fan u nit out of the chassis.
17 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Step 1 Lo wer the fan unit do wn and onto the chassis floor . Step 2 Attach fan 1 to t he J4 connector on th e mother board. (See number 1 a nd 2 in Figure 7 .
18 Installing and Upgradin g Fans in the Cisco 3825 Series Ro uters 78-18642-01B0 Obtaining Documentati on, Obtaining Support, and Secur ity Guidelines Replacing the Router Cover Follo w these steps to replace the cover . Note Before you begin , read the safety warnings as described in th e “Safety W arnings and Guidel ines” section on page 2 .
19 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0 Obtaining Do cumentation, Obta ining Support, and Security Guidelines.
20 Installing and Upgradin g Fans in the Cisco 3825 Series Ro uters 78-18642-01B0 Obtaining Documentati on, Obtaining Support, and Secur ity Guidelines Cisco and the Cisco Logo are trademarks of Ci sco Systems , Inc. and/or its affiliates in the U.S. an d other coun tries.
An important point after buying a device Cisco 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 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 3825 Series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cisco 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 3825 Series will certainly help you make a decision on the purchase.
If you already are a holder of Cisco 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 3825 Series.
However, one of the most important roles played by the user manual is to help in solving problems with Cisco 3825 Series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cisco 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
