Important Safety Information 59WARNING: The appliance coupler (the connector to the unit and not thewall plug) must have a configuration for mating with an EN60320/IEC320appliance inlet.WARNING: The socket outlet must be near to the unit and easilyaccessible. You can only remove power from the unit by disconnectingthe power cord from the outlet.WARNING: This unit operates under SELV (Safety Extra Low Voltage)conditions according to IEC 60950. The conditions are only maintained ifthe equipment to which it is connected also operates under SELVconditions.WARNING: France and Peru only:This unit cannot be powered from IT † supplies. If your supplies are of ITtype, this unit must be powered by 230V (2P+T) via an isolationtransformer ratio 1:1, with the secondary connection point labelledNeutral, connected directly to earth (ground).† Impédance à la terre.WARNING: U.K. only:If connecting a modem to the console port of the Switch 3870, only use amodem which is suitable for connection to the telecommunicationssystem.WARNING: RJ-45 ports. These are shielded RJ-45 data sockets. Theycannot be used as standard traditional telephone sockets, or to connectthe unit to a traditional PBX or public telephone network. Only connectRJ-45 data connectors, network telephony systems, or networktelephones to these sockets.Either shielded or unshielded data cables with shielded or unshieldedjacks can be connected to these data sockets.WARNING: When the Module is inserted into the switch, the two captivethumbscrews securing the Module must be tightened with a suitableEurope only: ■ The supply plug must comply with CEE 7/7 (“SCHUKO”).■ The mains cord must be or marked andbe of type H03VVF3GO.75 (minimum).Denmark ■ The supply plug must comply with section 107-2-D1,standard DK2-1a or DK2-5a.Switzerland ■ The supply plug must comply with SEV/ASE 1011.