CS3BU Conference System Base Unit for 60/120 Delegates 2UThe CS3 BU is the base unit for the CS3 conference system and provides all the necessary inputs and outputs to manage a conference for up to 60 microphone stations. It is the interface to all audio devices in a meeting room and offers an RS232 interface to connect an optional camera control system. The CS3 BU can even work in a stand alone mode in four selectable operating modes offering maximum flexibility in conference management. With the NOM