Supply, Installation, Testing And Commissioning Of Central Control Unit The Bosch Ccs-Cudr Control Unit Is The Central Power And Control Station For All Ccs 900 Ultro Conference System Contributor Units, Such As The Chairman And Delegate Units.- A A Digital Central Control Unit With Integrated Digital Processor, Control Software Package For The Connectivity To The Chairman And Delegate Units And Should Form The Hub Of A Digital Conference System. B The Central Control Unit Shall Supply Power And Control Data Through Cat-5 Or Other Digital Grade Cables, For Controlling Minimum 40 Discussion Units, Further Expandable Upto 80 Units Through Additional Power Supply If Required. C The Integrated Software Shall Allow Fault Monitoring And Error Diagnostics D At Least Qty 01 Ethernet Port Should Also Be Present On The Unit For Network Connection And Control Through Third Party Digital Control Systems Esupply Voltage : 100 To 240 Vac ? 10 % F Builtin / External Feedback Suppression G Audio Input And Output Ports Should Be Present On The Unit As Rca Connections. H Housing Rack: The Central Control Unit And Other Items, Shall Be Housed In A Standalone Desktop Housing, Rack Mounting Shall Be Accomplished Using Necessary Rack Mounting Brackets. Make: Bosch Or Similar.