Cisco Systems 3620 manual Safety Recommendations, Safety Warnings

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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 where you or others could fall over them.

Do not wear loose clothing that could get caught in the chassis. Fasten your tie or scarf and roll up your sleeves.

Wear safety glasses when working under any conditions that might be hazardous to your eyes.

Do not perform any action that creates a potential hazard to people or makes equipment unsafe.

Safety Warnings

Safety warnings appear throughout this publication in procedures that, if performed incorrectly, may harm you. A warning symbol precedes each warning statement.

Warning 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. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

Waarschuwing Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van standaard maatregelen om ongelukken te voorkomen. Voor vertalingen van de waarschuwingen die in deze publicatie verschijnen, kunt u het document Regulatory Compliance and Safety Information (Informatie over naleving van veiligheids- en andere voorschriften) raadplegen dat bij dit toestel is ingesloten.

Varoitus Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa ruumiinvammaan. Ennen kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä vaaroista ja tavanomaisista onnettomuuksien ehkäisykeinoista. Tässä julkaisussa esiintyvien varoitusten käännökset löydät laitteen mukana olevasta Regulatory Compliance and Safety Information -kirjasesta (määräysten noudattaminen ja tietoa turvallisuudesta).

Attention Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant causer des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers posés par les circuits électriques et familiarisez-vous avec les

2Installing a Fan-Speed Controller in Cisco 3620 Routers

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Contents Installing a Fan-Speed Controller in Cisco 3620 Routers Safety Recommendations Safety WarningsSafety Warnings Safety with Electricity FCC Class B Compliance Preventing Electrostatic Discharge DamageRequired Tools and Equipment Removing the CoverRemoving the Cover Installing the Fan-Speed Controller Disconnecting the Fans from the Power SupplyRemoving Screws from the Motherboard 13302 Replacing the Cover Cisco Connection Online