Cisco 3825 - Voice Bundle Router Installation And Upgrades

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 how to install or upgrade fans inside your Cisco 3825 series router. This document is intended for the fan installer who is familiar with electronic circuitry and wiring practices and has experience as an electronic or electromec ...

78-18642-01B0 Safety Warnings and Guidelines Safety Warnings and Guidelines This section provides the safety warnings and guidelines for working with the Cisco 3825 series router. It contains the following sections: • Safety Warnings, page 2 • Safety Guidelines, page 9 • Safety with Electricity, page 9 • Preventing Electrostatic Discharge Damage, page 10 Safety Warnings Note Use thi ...

78-18642-01B0 Safety Warnings and Guidelines Statement 1071—Warning Definition Warning IMPORTANT SAFETY INSTRUCTIONS This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number p ...

78-18642-01B0 Safety Warnings and Guidelines Avvertenza IMPORTANTI ISTRUZIONI SULLA SICUREZZA Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti. Utiliz ...

78-18642-01B0 Safety Warnings and Guidelines ...

78-18642-01B0 Safety Warnings and Guidelines Aviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA Este símbolo de aviso significa perigo. Você se encontra em uma situação em que há risco de lesões corporais. Antes de trabalhar com qualquer equipamento, esteja ciente dos riscos que envolvem os circuitos elétricos e familiarize-se com as práticas padrão de prevenção de acidentes. Use o nú ...

78-18642-01B0 Safety Warnings and Guidelines ...

78-18642-01B0 Safety Warnings and Guidelines Warning Do not touch the power supply when the power cord is connected. For systems with a power switch, line voltages are present within the power supply even when the power switch is off and the power cord is connected. For systems without a power switch, line voltages are present within the power supply when the power cord is connected. Statem ...

78-18642-01B0 Safety Warnings and Guidelines Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. Statement 43 Warning Do not touch the power supply when the power cord is connected. Fo ...

78-18642-01B0 Items in the Fan Replacement Kit • If an electrical accident occurs, proceed as follows: – Use caution, and do not become a victim yourself. – Turn off power to the system. – If possible, send another person to get medical aid. Otherwise, determine the condition of the victim and then call for help. Preventing Electrostatic Discharge Damage Electrostatic discharge (ES ...

78-18642-01B0 Location of the Cisco 3825 Router Fans Location of the Cisco 3825 Router Fans Figure 1 shows the location of the fan unit in the Cisco 3825 router. The Cisco 3825 routers contain three fans, which are connected together as one unit. Figure 1 Fan Unit Location in the Cisco 3825 Router 1 Location of the fan unit 280474 1 ...

78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Upgrading the Cisco 3825 Fan Unit The fan unit and cabling for the Cisco 3825 router are contained inside the chassis. Note The fan unit upgrade procedure will take approximately one hour. To upgrade the fan unit, complete these procedures: • Removing the Router Cover, page 12 • Removing the Fan Unit, page 14 • Installing the Fan Unit, ...

78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Step 5 Remove the three screws on each side panel and set them aside in a safe place. Step 6 Slide the cover toward the front of the chassis (about 1 inch [25 mm]), as shown in Figure 2. Figure 2 Removing the Cover from a Cisco 3825 Router Step 7 Lift the cover away from the router chassis, as shown in Figure 2. Step 8 Set the cover aside. 1 ...

78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Removing the Fan Unit After you remove the router cover, follow these steps to remove the fan unit. Note Before you begin, read the safety warnings as described in the “Safety Warnings and Guidelines” section on page 2. Step 1 Locate the three fan connectors on the motherboard and remove them by lifting the connector away from the recepta ...

78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Step 2 Remove the two screws that hold the top of the fan unit to the router. (See Figure 4.) Figure 4 Removing Screws Holding the Top of the Fan Unit Step 3 Remove the four screws that hold the fan unit to the side of the chassis. (See Figure 5.) Figure 5 Removing Fan Mounting Screws from the Side of the Chassis 1 Screws holding the top of t ...

78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Step 4 Remove the two screws that hold the fan unit to the front of the chassis. (See Figure 6.) Figure 6 Removing Fan Mounting Screws from the Front of the Chassis Step 5 Lift the fan unit out of the chassis. Installing the Fan Unit Follow these steps to install the fan unit. Note Before you begin, read the safety warnings as described in th ...

78-18642-01B0 Upgrading the Cisco 3825 Fan Unit Step 1 Lower the fan unit down and onto the chassis floor. Step 2 Attach fan 1 to the J4 connector on the motherboard. (See number 1 and 2 in Figure 7.) Figure 7 Attaching Fan Cable to the J Connectors Step 3 Attach fan 2 to the J18 connector on the motherboard. (See number 3 and 4 in Figure 7.) Step 4 Attach fan 3 to the J25 connector on the ...

78-18642-01B0 Obtaining Documentation, Obtaining Support, and Security Guidelines Replacing the Router Cover Follow these steps to replace the cover. Note Before you begin, read the safety warnings as described in the “Safety Warnings and Guidelines” section on page 2. Step 1 Place the router on a flat surface, with the front panel facing you. Step 2 Place the cover on the base, with a ...

78-18642-01B0 Obtaining Documentation, Obtaining Support, and Security Guidelines ...

78-18642-01B0 Obtaining Documentation, Obtaining Support, and Security Guidelines Cisco and the Cisco Logo are trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and other countries. A listing of Cisco's trademarks can be found at www.cisco.com/go/trademarks. Third party trademarks mentioned are the property of their respective owners. The use of the word partner does not ...