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Text Part Number: 78-5776-01
Installing a Fan-Speed Controller
in Cisco 3620 Routers
Product Number: FAN-VSPD-3620=
This document describes how to install a fan-speed controller in Cisco 3620 routers.
The fan-speed controller kit consists of:
• Fan-speed controller card mounted on a metal bracket
� Package of screws
� ESD-preventive wrist strap
� This document
Use this document in conjunction with your router installation and configuration guide, the
Regulatory Compliance and Safety Informati
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Safety Recommendations This document contains the following sections: � Safety Recommendations, page 2 � FCC Class B Compliance, page 5 � Required Tools and Equipment, page 6 � Removing the Cover, page 6 � Installing the Fan-Speed Controller, page 8 � Replacing the Cover, page 11 � Cisco Connection Online, page 12 Safety Recommendations Follow these guidelines to ensure general safety: � Keep the chassis area clear and dust-free during and after installation. � Keep tools away from walk areas wh
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Safety Warnings procédures couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions d’avertissements figurant dans cette publication, consultez le document Regulatory Compliance and Safety Information (Conformité aux règlements et consignes de sécurité) qui accompagne cet appareil. Warnung Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen
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Safety Recommendations Warning Ultimate disposal of this product should be handled according to all national laws and regulations. Safety with Electricity 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. Warning To avoid electric shock, do not connect safety extra-low voltage (SELV) ci
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Preventing Electrostatic Discharge Damage If an electrical accident occurs, proceed as follows: � Use caution; do not become a victim yourself. � Turn OFF power to the router. � If possible, send another person to get medical aid. Otherwise, determine the condition of the victim and then call for help. � Determine if the victim needs rescue breathing or external cardiac compressions; then take appropriate action. Preventing Electrostatic Discharge Damage Electrostatic discharge (ESD) can dama
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Required Tools and Equipment Required Tools and Equipment To install a fan-speed controller in a Cisco 3620 router, you need the following tools and equipment (some of which are not included in the fan-speed controller kit): � Cisco 3620 router � ESD-preventive wrist strap � Number 2 Phillips screwdriver Removing the Cover This section describes how to remove the cover. You must remove the chassis cover to gain access to the power supply and fan connectors. Warning Do not touch the power supp
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0 1 ACTIVE 1 SYSTEM RPS CON AUX READY 0 PCMCIA 0 1 ACTIVE 1 SYSTEM RPS CON AUX READY 0 PCMCIA Removing the Cover Figure 1 Lifting the Cover Screw Step 5 Pull the cover toward you until the metal tabs on the rear edge separate from the chassis bottom. (See Figure 2.) Step 6 Lift the cover free and set it aside. When you are ready to replace the cover, see the “Replacing the Cover” section on page 11. Figure 2 Removing the Cover Screw Installing a Fan-Speed Controller in Cisco 3620 Routers 7 H724
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Installing the Fan-Speed Controller Installing the Fan-Speed Controller This procedure describes how to install the fan-speed controller in the router: Step 1 Unplug the fan connectors from the power supply connectors. (See Figure 3.) Figure 3 Disconnecting the Fans from the Power Supply Fan/power supply Power supply connectors Second fan not shown Step 2 Remove the two screws, located near the power supply, from the motherboard. (See Figure 4.) Save these screws for later reinstallation. 8 Ins
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Installing the Fan-Speed Controller Figure 4 Removing Screws from the Motherboard Remove 2 screws Step 3 Connect the two fan connectors to the two fan-speed controller connectors. (See Figure 5.) Note You can connect either fan connector to either fan-speed controller connector. They are interchangeable. Step 4 Connect any one of the two power supply connectors to the single fan-speed controller power connector. (See Figure 5.) Note Only one power supply connector is attached to the fan-speed
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Installing the Fan-Speed Controller Figure 5 Attaching the Fan-Speed Controller Bracket to the Motherboard Fan-speed controller Power supply bracket with connectors card on top Fan connectors Step 5 Position the fan-speed controller bracket so that the card is on the top side, and the holes in the bracket and motherboard are aligned. (See Figure 5.) Step 6 Secure the bracket to the motherboard with the screws removed in Step 2. (See Figure 5.) Note If you misplaced the previously removed screws
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0 1 ACTIVE 1 SYSTEM RPS CON AUX READY 0 PCMCIA Replacing the Cover Replacing the Cover This section describes how to replace the router cover: Step 1 Position the router so the front panel is closest to you. Step 2 Hold the cover so the tabs at the rear of the cover are aligned with the chassis bottom. (See Figure 6.) Figure 6 Replacing the Cover Chassis cover Chassis Cover tabs tabs Cover tabs Front panel Chassis bottom Step 3 Push the cover toward the rear, making sure that the cover tabs fi
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Cisco Connection Online Cisco Connection Online Cisco Connection Online (CCO) is Cisco Systems’ primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services. Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco’s customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips,
