Bosch DCN Next Generation Installation And Operation Manual page 125

Conference System
NOTICE!
You can also connect mono headphones to the Concentus delegate unit.
When you connect a headset to the Concentus delegate unit, use the headphones socket on
the left side. Adjacent to this headphones socket is an external microphone socket. Connect
the microphone of the headset to this external microphone socket.
Intercom handset
You can connect an DCN-ICHS Intercom Handset to the Concentus delegate unit. The
intercom handset must be connected to the RJ45 socket.
Figure 6.20 RJ45 socket, connection
Pin
1
2
3
4
5
6
7
8
Table 6.15 RJ45 socket, connection
NOTICE!
The DCN-ICHS Intercom Headset has a RJ11 plug. This plug fits in the center of the RJ45
socket on the Concentus delegate unit. Pin 1 and pin 8 of the RJ45 socket are not used.
Connect the intercom plug of the intercom handset to the intercom socket of a compatible
device.
Pin
1
2
3
4
5
6
Table 6.16 Intercom plug (RJ11), connection
For more information refer to Section 3.12 DCN-ICHS Intercom Handset.
Bosch Security Systems B.V.
1 8
Signal
Headphones level reduction
Microphone, ground
Microphone, in
Earpiece, positive
Earpiece, ground
Hook switch
Hook switch
External contact
Signal
Microphone, ground
Microphone, in
Earpiece, positive
Earpiece, negative
Hook switch
Hook switch
Installation and Operation manual
Connection | en 125
DCN-NG_IOM_V4.1 | V1.3 | 2012.07