Bosch DCN Next Generation Installation And User Instructions Manual page 83

DCN NG | Installation and User Instructions | Section 3 | Central Control Equipment
The analogue audio can be line as well as microphone.
See table 10.1 for an overview of the input types
supported by each of the inputs.
table 10. 1 : Audio input types
Audio input Microphone
1 Yes
2 Yes
3 No
4 No
Note
The audio inputs can handle electret
microphones as well as dynamic microphones,
since the audio expander analogue can
generate the phantom supply for electret
microphones.
See figure 10.3 for details about the audio input sockets.
2
Audio In
3
figure 10.3: Audio input sockets
table 10.2: Audio input socket details
Pin Type
1 XLR
2 XLR
3 XLR
4 Cinch
5 Cinch
Bosch Security Systems | 2004-03 | 9922 141 70521en
Line
Yes
Yes
Yes
Yes
1
5
4
Signal Description
Xternal Shield/ground
Live Positive,
phantom supply +
Return Negative,
phantom supply -
Live Signal in
Return Shield/Ground
10.3.4 Connecting audio outputs
The audio expander analogue has 4 audio outputs to
route analogue audio signals to external equipment (e.g.
a tape deck in order to record the audio). Each audio
output has two sockets on the rear of the audio
expander analogue; one XLR socket (for balanced
signals) and one double cinch socket (for unbalanced
signals).
1 2
Audio Out
3
figure 10.4: Audio output sockets
table 10.3: Audio output socket details
Pin Type Signal
1 XLR Xternal
2 XLR Live
3 XLR Return
4 Cinch Live
5 Cinch Return
en | 83
5
4
Description
Shield/ground
Positive
Negative
Signal out
Shield/Ground