Installation22 Installation Manual2.1 Before Installation2.1.1 Before InstallationPlease read the following notes concerning installation and connection before installing thesystem.Safety Installation InstructionsWhen installing telephone wiring, basic safety precautions should always be followed toreduce the risk of fire, electric shock and injury to persons, including the following:1. Never install telephone wiring during a lightning storm.2. Never install telephone jacks in wet locations unless the jack is specifically designed for wetlocations.3. Never touch uninsulated telephone wires or terminals unless the telephone line has beendisconnected at the network interface.4. Use caution when installing or modifying telephone lines.Installation PrecautionsThis system is exclusively made for wall mounting only. Avoid installing in the followingplaces. (Doing so may result in malfunction, noise, or discoloration.)1. In direct sunlight and hot, cold, or humid places. (Temperature range: 0°C – 40°C)2. Sulfuric gases produced in areas where there are thermal springs, etc. may damage theequipment or contacts.3. Places in which shocks or vibrations are frequent or strong.4. Dusty places, or places where water or oil may come into contact with the system.5. Near high-frequency generating devices such as sewing machines or electric welders.6. On or near computers, telexes, or other office equipment, as well as microwave ovens or airconditioners. (It is preferable not to install the system in the same room with the aboveequipment.)7. Install at least 1.8 m away from radios and televisions (both the system and Panasonicdigital proprietary telephones).8. Do not obstruct area around the system (for reasons of maintenance and inspection — beespecially careful to allow space for cooling above and at the sides of the system).Wiring PrecautionsBe sure to follow these instructions when wiring.1. Do not wire the telephone cable in parallel with an AC power source, computer, telex, etc.If the cables are run near those wires, shield the cables with metal tubing or use shieldedcables and ground the shields.