Siedle Multi intercom system/Multi-Function Modules

Siedle Multi-Function Modules
Siedle offers several multi function module options to meet the specific requirements of a wide variety of video door entry intercom system requirements.
MFM 611-10: For use with 1+n (711), 2-Wire Bus, and the SIC-3000
MFM 932-5: For use with central call systems.
VSM 640-0: For use with the Multi Bus System