IT monitoring Automatic door opening Protection & security in the event of an alarm: glazed and sheet steel doors as well as suitable accessories for automatic opening of IT racks. Automatic door opening ADO Control Unit Control unit for automatic opening of glazed doors VX IT for ADO with integral vent flaps. Designed for a rack with front and rear door. Show products Automatic door opening Door control module Control unit for automatic opening of glazed doors VX IT for ADO with integral vent flaps. Show products Automatic door opening Doors for VX IT for Automatic Door Opening (ADO) Glazed and sheet steel doors VX IT, with vent flaps for automatic opening in the event of an alarm Show products Automatic door opening Magnet for Automatic Door Opening (ADO) For automatic opening in the event of an alarm Show products Automatic door opening Gas pressurised spring for Automatic Door Opening (ADO) For automatic opening in the event of an alarm Show products