Viking PF-6A Power Failure Phone Transfer Switch

The Viking PF-6A Power Failure Phone Transfer Switch makes it possible to receive calls during phone system and power outages. Viking PF-6A Features: Transfers six C.O. trunks directly to the designated analog station phones Stackable to increase capacity Allows user to receive calls, as well as make calls during power or system failure Compatible with loop start lines or 48V ground start lines Can be used to convert six incoming ground start lines to loop start lines Automatic ground start converter eliminates “ground start buttons” Built-in ground start converter permits outbound calls from standard phones Power restoration will not interrupt calls in progress Operates on power failure or normally open - normally closed alarm contacts UL listed power adapter provided