4 Line Master EVC control unit c/w line cards, handset and display - ECU-4

The ECU-4 is a 4 line Master controller designed for use in the fire telephone systems and the disabled refuge systems of Context Plus. The ECU-4 Master controller allows an operator to communicate with up to four fire telephone or disabled refuge outstations. It offers dual communication over 4 lines. It is a simple, effective two-way communication over 4 lines. It can be networked with other 16 line, 8 line and 4 line Master controllers to create a fire telephone system or a disabled refuge system with up to 224 dual communication lines.