Bosch DCN Next Generation Installation And User Instructions Manual page 25

DCN NG | Installation and User Instructions | Section 2 | Interpretation Equipment
C
4.3.4 onnecting headphones
On the left side of the desk, headphones can be
connected (see figure 4.2). The jack plug of stereo
headphones that are connected to the headphones
sockets must comply to the following requirements:
figure 4.7: 3.5 mm headphones jack plug
figure 4.8: 6.3 mm headphones jack plug
table 4.2: Headphones jack plug details
Number Signal
1 Signal left
2 Common
3 Signal right
It is also allowed to use mono headphones.
Bosch Security Systems | 2004-03 | 9922 141 70521en
4.3.5
The RJ45 socket on the bottom of the desk (see figure
4.3) is used to interface with a booth-on-air indication.
When one or more microphones are active in a booth
(i.e. the booth is active), a switch between pin 2 and
pin 3 is closed.
2 3 1
The RJ45 socket can also be used to interface with
devices that can activate the telephone call indicator
(Phone LED) and intercom call indicator (Intercom LED)
on the desk.
2 3 1
figure 4.9: RJ45 socket
table 4.3: RJ45 socket details
Pin
1
2
3
4
5
6
7
8
Connecting external devices
1 8
Function
----
Booth-on-air
Booth-on-air
----
Telephone
Telephone
Intercom
Intercom
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Signal
----
Switch pin 1
Switch pin 2
----
Positive in
Negative in
Positive in
Negative in