4.1 Before Installation4.1.1 Before InstallationPlease read the following notes concerning installation and connection before installing the PBX and terminalequipment.Be sure to comply with all applicable laws, regulations, and guidelines.NoticePanasonic assumes no responsibility for injuries or property damage resulting from failures arising out ofimproper installation or operation inconsistent with this documentation.Safety Installation InstructionsWARNINGWhen installing telephone wiring, basic safety precautions should always be followed to reducethe risk of fire, electric shock and injury to persons, including the following:• Never install telephone wiring during a lightning storm.• Never install telephone jacks in wet locations unless the jack is specifically designed for wetlocations.• Never touch uninsulated telephone wires or terminals unless the telephone line has beendisconnected at the network interface.• Use caution when installing or modifying telephone lines.• Anti-static precautions should be taken during installation.Installation PrecautionsThe PBX is suitable for mounting on a 19-inch rack, mounting on a wall, or placing on a desktop, and shouldbe installed in a location where it is accessible for inspections and maintenance.To prevent malfunction, noise, or discolouration, follow the instructions below:WARNINGDo not install the system in the following locations:• Areas where shocks or vibrations are frequent or strong. Such activity may lead to the productfalling over and causing injury, or may impair the product’s performance.• Areas with high amounts of dust. High amounts of dust can lead to fire or electric shock, andimpair the performance of the product.CAUTIONDo not install the system in the following locations:• In direct sunlight and hot, cold, or humid places. (Temperature range: 0 °C to 40 °C)• Areas where sulphuric gases may be present, such as near thermal springs.• Near devices that generate high frequencies, such as sewing machines or electric welders.• Locations where other objects will obstruct the area around the PBX. Be especially careful to leave atleast 5 cm to the sides of the PBX for ventilation.• Locations where condensation can occur.NoticeDo not install the system in the following locations:80 Installation Manual4.1.1 Before Installation