Benutzeranleitung / Produktwartung 2821 Series des Produzenten 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 2821 and Cisco 2851 Series Routers This document describes ho w to i nstall or upgrade fans inside y our Cisco 2821 and Cisco 2851 series routers.
2 Installing and Upgradin g Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Safety Warnings and Guidelines Safety Warnings and Guidelines This section pro vides the safety warnings and guidel ines for working with the Cisco 2821 and Ci sco 2851 series rout ers.
3 Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 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 2821 and Cisco 2851 Series Routers 78-18643-02 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 2821 and Cisco 2851 Series Routers 78-18643-02 Safety War nin gs and Gu idelines.
6 Installing and Upgradin g Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 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 2821 and Cisco 2851 Series Routers 78-18643-02 Safety War nin gs and Gu idelines.
8 Installing and Upgradin g Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 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 2821 and Cisco 2851 Series Routers 78-18643-02 Safety War nin gs and Gu idelines War ni ng Before working on equipme nt that is connected to pow er lines, remove jewelry (including rings, necklaces, and watches).
10 Installing and Upgradin g Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 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 2821 and Cisco 2851 Series Routers 78-18643-02 Location of the Cisco 2821 and Cisco 2851 Router Fans Location of the Cisco 2821 and Cisco 2851 Router Fans Figure 1 sho ws the location of the fa n unit in the Cisco 2821 and Ci sco 2851 routers.
12 Installing and Upgradin g Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Upgrading the Cisco 2821 and Cisco 2851 Fan Unit Removing the Router Cover T o access the Cisco 2821 or C isco 2851 fan unit, you must f irst remove the b ezel and then remov e the router cov er .
13 Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Upgrading the Cisco 2821 and Cisco 2851 Fan Unit a. Grasp the bezel at the upward-facing arro w located at the top and center of the front bezel. (See Figure 2 .
14 Installing and Upgradin g Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Upgrading the Cisco 2821 and Cisco 2851 Fan Unit b. Pull the top of the bezel 1/ 8 to 1/4 inch (3 to 8 mm) aw ay from the chassis. (See number 1 in Figure 3 .
15 Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Upgrading the Cisco 2821 and Cisco 2851 Fan Unit Step 5 Remov e the router co ver . F ollow these steps: a. Use a number 2 Phillips scre wdriv er to remove the th ree scre ws at the back of the top cov e r .
16 Installing and Upgradin g Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Upgrading the Cisco 2821 and Cisco 2851 Fan Unit Removing the Fan Unit After you remov e the router cover , follo w these steps to remove th e fan unit.
17 Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Upgrading the Cisco 2821 and Cisco 2851 Fan Unit Step 2 Remov e the three screws that hol d the fan unit to the side of the chassis. (See number 1 in Figure 6 .
18 Installing and Upgradin g Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Upgrading the Cisco 2821 and Cisco 2851 Fan Unit Installing the Fan Unit Follo w these steps to install t h e fan uni t. Note Before you begin , read the safety warnings as described in the “Safety W arnings and Gu idelines” secti on on page 2 .
19 Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Upgrading the Cisco 2821 and Cisco 2851 Fan Unit Replacing the Router Cover Note Before you begin , read the safety warnings as described in the “Safety W arnings and Guidelines” section on page 2 .
20 Installing and Upgradin g Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Obtaining Documentati on, Obtaining Support, and Secur ity Guidelines Step 3 Center the cover o ver the chassis and lo wer it onto th e chassis, as shown i n Figure 8 .
Ein wichtiger Punkt beim Kauf des Geräts Cisco Systems 2821 Series (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Cisco Systems 2821 Series noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Cisco Systems 2821 Series - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Cisco Systems 2821 Series reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Cisco Systems 2821 Series erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Cisco Systems 2821 Series besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Cisco Systems 2821 Series verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Cisco Systems 2821 Series. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Cisco Systems 2821 Series gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
