Control hub for 1 to 4 barrier sections (8 barriers max.); input by synchronizer; 4 optomos alarm outputs; optomos output tamper; open collector outputs for disqualification and failure; 4 independent standby inputs for single sections. Directed device connected to the RS485 bus. Programming and alarm management via third-party software that have integrated the protocol after NDA signature.. 12Vdc power supply.