Notice• Under power failure conditions, the connected telephones may not operate. Please ensure that a separatetelephone, not dependent on local power, is available for emergency use.• Prior to connection of this product, please verify that the intended operating environment is supported.Satisfactory performance cannot be guaranteed for the following:– interoperability and compatibility with all devices and systems connected to this product– proper operation and compatibility with services provided by telecommunications companies overconnected networksNote• Some optional service cards and features are not available for certain countries/areas. Consult yourcertified Panasonic dealer for detailed instructions.• In this manual, the suffix of each model number (e.g., KX-TDA30NE) is omitted unless necessary.Safety NoticesPlease observe the safety notices in this manual in order to avoid danger to users or other people, and preventdamage to property.The notices are classified as follows, according to the severity of injury or damage:WARNING This notice means that misuse could result in death or serious injury.CAUTION This notice means that misuse could result in injury or damage to property.List of Abbreviations• APT ® Analogue proprietary telephone• DPT ® Digital proprietary telephone• IP-PT ® IP proprietary telephone• PS ® Portable station• PT ® Proprietary telephone• SLT ® Single line telephone4 Installation ManualSystem Components