5220 Direct Connect Module - Silent Knight

Used for City Box and polarity reversing direct wire applications.

7181 Fire Zone Converter Module - Silent Knight

The Silent Knight model 7181 fire zone converter module is designed to be used with a variety of Silent Knight fire controls to allow changes in loop input configurations.

The 7181 can be used to convert Style A (Class B) zones to Style D (Class A), or Style D (Class A) to Style A (Class B). It can also allow connection of two-wire type smoke detectors to control inputs normally designed only for 4-wire type detectors.