Bosch DCN Next Generation Operation Manual page 113

Conference System
6.2 DCN-CCU2 and DCN-CCUB2 Central Control Units
Power supply
To connect the central control unit to a mains power supply do as follows:
1.
Figure 6.3: Power supply
2.
3.
Caution!
! Make sure that the mains power supply is grounded. Electrical discharges from the mains
power supply can kill you.
DCN
1.
2.
Each DCN socket has a red LED that comes on if there is an overload.
Audio inputs
You can connect an external analog audio source to the audio inputs of the central control
unit. The DCN-CCU2 has two audio inputs.
Each audio input has:
–
–
The DCN-CCUB2 has two audio inputs. Each audio input has:
–
Notice!
The audio inputs change stereo signals in mono signals.
Audio In
Figure 6.4: Audio input, connection
Bosch Security Systems B.V.
Connect a locally approved power cable to the central control unit.
Set the ground lift to correct position. Refer to DCN-CCU2 and DCN-CCUB2 Central
Control Units, page 14.
Connect the power cable to a power supply.
Connect the trunk of the DCN to the DCN sockets of the central control unit.
Use the cable clamps to lock DCN cables to the central control unit.
1 XLR socket for balanced signals. The electric circuits behind the XLR sockets contain
transformers for galvanic separation.
1 double cinch socket for unbalanced signals.
1 double cinch socket for unbalanced signals.
2 1
5
3 4
Operation Manual
Connection | en 113
2013.11 | V2.0 | DCN-NG_OM_V4.x