BOSCH CCS900S ULTRO (CCS-CU) CONTROL UNIT POWER SUPPLY CONFERENCE

BOSCH CCS900S Ultro (CCS-CU) Control Unit Discussion control without operator Controls up to 150 contribution devices Each Control CCS-CU Unit can be connected 50 Microphones Built-in monitor loudspeaker The Control Unit (CU) is the heart of the CCS Ultro Discussion System and supplies the power for all delegate and chairman units in the system. The unit also controls the chairman and delegate unit microphones, as well as providing connections for audio inputs and outputs. Controls and Indicators : Top • Mains on/off switch • Loudspeaker volume control, for setting output level of loudspeakers of contribution units. This control also determines the maximum level for the headphone outputs of the contribution units and the CU. • Microphone mode rotary switch, for setting the number of simultaneously active microphones, and selecting one of the four operation modes (plus test mode) • Power on LED Technical Specifications : Electrical Mains voltage : 100 to 240 VAC ± 10 %, Current consumption : maximum 0.9 A (100 VAC) to 0.3 A (240 VAC) DC supply to contribution units : 24 V ± 1 V (current limited), Loudspeaker volume control : mute (50 dB att.) + 10 steps of 1.9 dB Limiter threshold level to unit : 10 dB above nominal level loudspeaker / headphone Gain reduction due to number of open microphones (NOM) : ÷ NOM ± 1 dB Total harmonics : - Nominal input (85 dB SPL) lt; 0.5, - Max. input (110 dB SPL) lt; 0.5 Mechanical Dimensions including feet (H x W x D) : 84 x 361 x 143 mm (3.4 x 14.2 x 5.6 in), Height of feet : 5.5 mm (0.22 in)n, Mounting : tabletop (portable or fixed) 19-inch rack flush mounting, Weight : 1.5 kg (3.3 lb), Material (top) : polymer, Material (base) : painted metal, Color (top) : charcoal (PH10736), Color (base) : black (PH80007)