CHAPTER 19Installation and Maintenance SafetyInformation• Installation Instructions Warning for J-EX Series Switches on page 171• Chassis Lifting Guidelines for J-EX4500 Switches on page 172• Ramp Warning for J-EX Series Switches on page 172• Rack-Mounting and Cabinet-Mounting Warnings for J-EX Series Switches on page 173• Grounded Equipment Warning for J-EX Series Switches on page 177• Maintenance and Operational Safety Guidelines and Warnings for J-EX SeriesSwitches on page 178Installation Instructions Warning for J-EX Series SwitchesWARNING: Read the installation instructions before you connect the switchto a power source.Waarschuwing Raadpleeg de installatie-aanwijzingen voordat u het systeemmet de voeding verbindt.Varoitus Lue asennusohjeet ennen järjestelmän yhdistämistä virtalähteeseen.Attention Avant de brancher le système sur la source d'alimentation, consulterles directives d'installation.Warnung Lesen Sie die Installationsanweisungen, bevor Sie das System andie Stromquelle anschließen.Avvertenza Consultare le istruzioni di installazione prima di collegare il sistemaall'alimentatore.Advarsel Les installasjonsinstruksjonene før systemet kobles til strømkilden.Aviso Leia as instruções de instalação antes de ligar o sistema à sua fontede energia.¡Atención! Ver las instrucciones de instalación antes de conectar el sistemaa la red de alimentación.171