Panasonic KX-TDA50 Installation Manual

Also see for KX-TDA50: User guide User guide Technical information Technical information Operating manual

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Panasonic KX-TDA50 Installation Manual Manual pdf 62 page image

2.2.11 Surge Protector InstallationCAUTIONPerforming surge protection is essential. Make sure to follow the instructions in this section.OverviewA massive electrical surge can be caused if lightning strikes a telephone cable 10 m (33 ft) above ground, orif a telephone line comes into contact with a power line. A surge protector is a device that is connected to aCO line to prevent potentially dangerous electrical surges from entering the building via the CO line anddamaging the PBX and connected equipment.To protect the system from electrical surges, we strongly recommend connecting the system to a surgeprotector that meets the following specifications:• Surge arrestor type: 3-electrode arrestor• DC spark-over voltage: 230 V• Maximum peak current: at least 10 kAAdditionally, proper grounding is very important for the protection of the system (refer to "2.2.5 Frame GroundConnection").Many countries/areas have regulations requiring surge protection. Be sure to comply with all applicable laws,regulations, and guidelines.InstallationCSExtn.Extn. Extn. Extn.SLT PTCO Line CO Line CO LineExtn.: Extension lineSurgeProtectorTerminalBoardPBXFrameGroundGround62 Installation Manual Document Version 2010-112.2.11 Surge Protector Installation