ABB-Welcome Mini System Controller, MDRC, 650mA, With Updated All On/One On Setting

The ABB-Welcome Mini System Controller serves as the brains and primary source of power of the ABB-Welcome Door Entry systems and manages communication between 4 connected devices – outdoor stations, indoor stations, guard units, and other ABB-Welcome system components. It can also serve as an auxiliary BUS power supply.

• Two Working Modes:
• All on: All video indoor stations in a single apartment receive video calls from the outdoor station.
• One on: Only the master video indoor station receives video calls from the outdoor station.
• Serves as an auxiliary power supply when connected to the gateway in a certain mode
• 1 LED for normal working condition indication
• It is equipped with overheat, short-circuit and lightning protection