The LC-3 Line Concentrator allows up to three emergency phones to share a single line. A call initiated by any emergency phone receives the line. If a second emergency phone attempts to make a call while another emergency call is in use, the LC3 will provide a busy signal until the line becomes available. Viking emergency phones can be programmed to redial on busy. All incoming calls are answered by the LC-3. Emergency personnel dial a touch tone command to connect to one of the three phones. A fire floor phone port is provided as a means for local dedicated phones to connect directly to any of the three emergency phones. A secondary mode of operation allows two emergency phones to share an existing analog line of a telephone system. FeaturesC Automatic answering of incoming calls Incoming calls can be transferred to any port Connect up to 3 emergency phones, or 2 phones can share a line with a phone system Fire floor phone port provided to meet the Modular connection for easy installation During power outages, emergency phones are connected to the phone line ApplicationsC Sharing a line with three emergency phones When the elevator code requires a means for emergency personnel within the building to establish two-way voice communication to each car individually. Package Contents: LC-3 Line Concentrator AC Adapter 13.8