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Regulatory Compliance and 
Safety Information for the 
Catalyst Express 520 Switches
Read this document before installing or servicing the Catalyst Express 520 
switches. 
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 provided at 
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   � EMC Class A Notices and Warnings, page 58 � Switch Documentation Set, page 62 � Obtaining Documentation, Obtaining Support, and Security Guidelines,  page 63 Translated Safety Warnings This section includes translations in multiple languages of these warnings that  may appear in your product documents: � Statement 17B—Overtemperature Warning � Statement 43—Jewelry Removal Warning � S
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   � Statement 1071—Warning Definition � Statement 1072—Shock Hazard from Interconnections � Statement 1073—No User-Serviceable Parts � Statement 1074—Comply with Local and National Electrical Codes � Statement 1079—Hot Surface � Statement 275—Declaration of Conformity with Regard to the Directives  73/23/EEC and 89/336/EEC as amended by Directive 93/68/EEC � Class A Notice for FCC � Clas
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches OL-13012-02 4                                                                                                                                                                                                                                                                                                    
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Statement 43—Jewelry Removal Warning Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches OL-13012-02 5                                                                                                                                                                                                                                                               
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches OL-13012-02 6                                                                                                                                                                                                                                                                                                    
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Statement 48—Stacking the Chassis Warning Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches OL-13012-02 7                                                                                                                                                                                                                                                          
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Statement 100C—Attaching the Cisco RPS (model  PWR675-AC-RPS-N1) Warning Attach only the Cisco RPS (model PWR675-AC-RPS-N1) to the RPS  receptacle. Statement 100C Waarschuwing Slechts de Cisco RPS (model PWR675-AC-RPS-N1) aan de RPS contactdoos  verbinden. Varoitus Kiinnitä RPS-vastakappaleeseen vain Cisco RPS (malli  PWR675-AC-RPS-N1). Attention Raccordez le bloc d’alimentation Cisco 
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Statement 171—Ethernet Cable Shielding in Offices Warning Ethernet cables must be shielded when used in a central office environment.  Statement 171 Waarschuwing Ethernetkabels dienen beveiligd te worden als ze in een centrale  kantooromgeving worden gebruikt. Varoitus Ethernet-kaapelit täytyy suojata, kun niitä käytetään yleisessä  toimistoympäristössä. Attention Pour une utilisation 
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   ¡Advertencia! Los cables Ethernet deben estar protegidos cuando se usen dentro de una  oficina central. Varning! Ethernetkablar måste vara avskärmade vid användning i central  kontorsmiljö. Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches OL-13012-02 10                                                                                                     
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Statement 265—Redundant Power Supply Connection Warning Warning If a redundant power system (RPS) is not connected to the switch, install an  RPS connector cover on the back of the switch. Statement 265 Waarschuwing Als er geen redundant voedingssysteem (RPS) aan de schakelaar is  gekoppeld, dient u een RPS-connectorkapje op de achterkant van de  schakelaar te installeren. Varoitus Jos
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Advarsel Dersom et redundant strømsystem ( Redundant Power System -RPS) ikke er  koblet til bryteren, skal det installeres et RPS-koblingsdeksel på baksiden  av bryteren.  Aviso Se um sistema de alimentação redundante (RPS) não estiver conectado a um  switch, instale uma capa de conector RPS na parte de trás do switch. ¡Advertencia! Si no se conecta un sistema de potencia redundante (R
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Statement 266—Switch Installation Warning Warning To comply with safety regulations, mount switches on a wall with the front  panel facing up. Statement 266 Waarschuwing Om te voldoen aan de veiligheidsvoorschriften dient u de schakelaars op een  muur te monteren met het voorpaneel omhoog. Varoitus Turvallisuusmääräykset edellyttävät, että kytkimet kiinnitetään seinään  etupaneeli ylös
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Statement 371—Power Cable and AC Adapter Statement 1001—Work During Lightning Activity Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches OL-13012-02 14                                                                                                                                                                                                            
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Statement 1004—Installation Instructions Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches OL-13012-02 15                                                                                                                                                                                                                                                          
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches OL-13012-02 16                                                                                                                                                                                                                                                                                                   
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Statement 1006—Chassis Warning for Rack-Mounting and  Servicing Warning To prevent bodily injury when mounting or servicing this unit in a rack, you  must take special precautions to ensure that the system remains stable. The  following guidelines are provided to ensure your safety: � This unit should be mounted at the bottom of the rack if it is the only unit in the rack. � When mount
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Attention Pour éviter toute blessure corporelle pendant les opérations de montage ou de  réparation de cette unité en casier, il convient de prendre des précautions  spéciales afin de maintenir la stabilité du système. Les directives ci-dessous  sont destinées à assurer la protection du personnelþ: � Si cette unité constitue la seule unité montée en casier, elle doit être placée dans l
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Advarsel Unngå fysiske skader under montering eller reparasjonsarbeid på denne  enheten når den befinner seg i et kabinett. Vær nøye med at systemet er stabilt.  Følgende retningslinjer er gitt for å verne om sikkerheten: � Denne enheten bør monteres nederst i kabinettet hvis dette er den eneste enheten i  kabinettet. � Ved montering av denne enheten i et kabinett som er delvis fylt, s
                    
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                        Regulatory Compliance and Safety Information for the Catalyst Express 520 Switches Translated Safety Warnings   Varning! För att undvika kroppsskada när du installerar eller utför underhållsarbete på  denna enhet på en ställning måste du vidta särskilda försiktighetsåtgärder för  att försäkra dig om att systemet står stadigt. Följande riktlinjer ges för att  trygga din säkerhet:  � Om denna enhet är den enda enheten på ställningen skall den installeras längst ned  på ställningen. � Om denna enhe