NK-FT-MCM Master Firefighters' Telephone Control Module

• Includes Master Telephone Handset
• Single-zoned system available by NK-FT-MCM alone
• Multi-zoned system available with optional NK-FT-ZSP12 zone selectors
• Indicators for Common trouble, Master telephone trouble, and Incoming call
• Control buttons for Lamp Test, and either Connect or Clear All
• Powered with a 24 VDC, 200 mA external power source
• Telephone circuit can be wired in Class A or Class B
• Mounts in optional NK-AN-BB series enclosures