Plug (pin)
Solder pad
Signal
1
X18
Left
2
X16
Right
3
X17
Common
Table 6.23: External headphones, connection
Notice!
You can connect, for example, an AMP173977-3 socket to the external headphones plug of
the channel selector.
!
Warning!
When using external sockets of DCN-FCS make sure that all connections are electrically
floating. In case any connections are part of an earth loop unexpected system behavior can
occur.
Level reduction plug
When the channel selector is used with a device that has a microphone, acoustic feedback can
occur.Use the level reduction plug to prevent acoustic feedback.
1 2
Figure 6.39: Output level plug, connection
Pin
Signal
1
Positive
2
GND
Table 6.24: Output level plug, connection
Notice!
You can connect, for example, an AMP173977-2 socket to the level reduction plug of the
channel selector.
Connect a voltage to the level reduction plug to decrease the volume level of the signal on the
headphones.
Conference System
Connection | en 139
Bosch Security Systems B.V.
Operation Manual
2013.11 | V2.0 | DCN-NG_OM_V4.x
Содержание DCN Next Generation
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