Bosch DCN Next Generation Installation & User's Instructions page 176

DCN Next Generation | Installation and User Instructions | Flush-mounted Devices
21.6.2 Audio outputs
You can connect loudspeakers to the audio outputs of
the dual delegate interface. The loudspeakers must have
3.5 mm plugs (refer to figure 21.11).
figure 21. 1 1: 3.5 mm loudspeaker plug, connection
table 21.7: 3.5 mm loudspeaker plug, connection
Number Signal
1 +
2 Not used
3 -
Typically, you will connect DCN-FLSP Loudspeaker
Panels (refer to chapter 22) to the audio outputs.
table 21.8: Audio output details
Number of connections:
2x 3.5 mm socket
Location:
Left side
Cable:
Shielded cable
Audio levels:
Refer to appendix A
Load impedance:
> 8 Ω
Crosstalk between outputs:
> 40 dB
Bosch Security Systems | 2007-02 | 9922 141 70525
2 3 1
21.6.3 Intercom handset
You can connect an LBB3555/00 Intercom Handset to
the dual delegate interface. The intercom handset must
be connected to the intercom socket.
21.6.4 Voting/Control inputs
You can use the voting/control inputs to connect these
devices to the dual delegate interface:
• DCN-FMICB Microphone Control Panel
• DCN-FPRIOB Priority Panel
• DCN-FV(CRD) Voting Panel
21.6.5 Audio inputs
You can connect microphone or line level signals to the
audio inputs of the dual delegate interface. The audio
inputs have DIN-8p-262° sockets (refer to figure 21.12).
8
3
5
figure 21. 1 2: Audio input, connection
table 21.9: Audio input, connection
Pin Signal
1 Signal in, +
2 Microphone, common
3 Signal in, -
4 Microphone LED (max. 2 mA)
5 Request-to-speak LED (max. 7 mA)
6 Microphone button
7 +12 V(DC) (max. 20 mA)
8 LED ring control
table 21. 1 0: Connections
Pin Component
4 (-) to 7 (+) Microphone on LED
5 (-) to 7 (+) Request-to-speak LED
6 to 7 Momentarily microphone switch
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7
1
4
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