3Installation and Maintenance GuideNorth American Regulatory InformationSafetyThis equipment meets all applicable requirements of both the CSA C22.2 No.60950 and UL60950.The shock hazard symbol within an equilateral triangle is intended to alert personnelto electrical shock hazard or equipment damage. The following precautions shouldalso be observed when installing telephone equipment.• Never install telephone wiring during a lightning storm.• Never install telephone jacks in wet locations unless the jack is specifically designedfor wet locations.• Never touch uninsulated telephone wires or terminals unless the telephone line hasbeen disconnected at the network interface.• Use caution when working with telephone lines.Danger: Risk of shock.Read and follow installation instructions carefully.Ensure the system and system expansion units are unplugged from the power socket andthat any telephone or network cables are unplugged before opening the system or systemexpansion unit.If installation of additional hardware and /or servicing is required, disconnect all telephonecable connections prior to unplugging the system equipment.Ensure the system and system expansion units are plugged into the wall socket using athree-prong power cable before any telephone cables are connected.The exclamation point within an equilateral triangle is intended to alert the user tothe presence of important operating and maintenance (servicing) instructions in theliterature accompanying the product.
