TheConsolidatedVentilatorInterfaceBoard(cVIB)AssemblyisaspeciallydesignedcontrolboardintendedforuseinAvance™andAisys™anesthesiasystem. anesthesia system and it interfaces with the ventilator of the Anesthesia Control Board (ACB). The ventilator interface section of the board is managed by an Atmel® ATMEGA16 microcontroller. The interface board controls the switches and components such as the inspiratory and expiratory flow transducers, patient airway and manifold transducers, airway over-pressure ,oxygensensor,ABSswitches,ACGOswitches,bag/ventswitch,O₂flushswitch,gasinletvalve,inspiratoryflowvalve,pipelinepressuretransducers,cylinderpressuretransducers,mixer,vaporizer,taskLightandmachineon/standbyswitch.