CHAPTER 19Power and Electrical Safety Information• General Electrical Safety Guidelines and Warnings for J-EX Series Switches on page 235• Prevention of Electrostatic Discharge Damage on J-EX Series Switches on page 236• AC Power Electrical Safety Guidelines for J-EX Series Switches on page 238• AC Power Disconnection Warning for J-EX Series Switches on page 239• Multiple Power Supplies Disconnection Warning for J-EX Series Switches on page 240• TN Power Warning for J-EX Series Switches on page 240• In Case of Electrical Accident: Action to Take on a J-EX Series Switch on page 241General Electrical Safety Guidelines and Warnings for J-EX Series SwitchesWARNING: Certain ports on the switch are designed for use as intrabuilding(within-the-building) interfaces only (Type 2 or Type 4 ports as described inGR-1089-CORE, Issue 4) and require isolation from the exposed outside plant(OSP) cabling. To comply with NEBS requirements and protect againstlightning surges and commercial power disturbances, the intrabuilding portsmust not be metallically connected to interfaces that connect to the OSP orits wiring. The intrabuilding ports on the switch are suitable for connectionto intrabuilding or unexposed wiring or cabling only. The addition of primaryprotectors is not sufficient protection for connecting these interfacesmetallically to OSP wiring.CAUTION: Before removing or installing components of a switch, attach anESD strap to an ESD point and place the other end of the strap around yourbare wrist. Failure to use an ESD strap could result in damage to the switch.• Install the J-EX Series switch in compliance with the following local, national, andinternational electrical codes:• United States—National Fire Protection Association (NFPA 70), United StatesNational Electrical Code.• Other countries—International Electromechanical Commission (IEC) 60364, Part 1through Part 7.235
