Sitec DELTA 2.0 Operating Instructions Manual page 28

Combination of Loudspeaker and Microphone - Connection of the Distribution Box (Art.-No.
200 180)
Loudspeaker and microphone should be installed as far as possible from each other to ensure optimal
communication.
The lead from the distribution box to the central control can be connected on the operator side to the sockets
Operator 2, 3 or 4 and on the client side to Public 1 and 2. If you want to connect loudspeaker and microphone to
Public 3 and Public 4, you need a signal amplifier instead of the distribution box.
The distribution box can be set directly on the central control with the supplied attachment.
27
To connect a combination of a built-in microphone and a
built-in loudspeaker to the central control, a Delta 2.0 –
Distribution Box is necessary. Delta Loudspeaker and
Microphone can be connected directly via the pre-
assembled plug to the labeled socket.
Single loudspeaker
alternatively be connected directly via screw terminals at
the back of the distribution box. The connection diagram for
connection via screw terminals is printed on the distribution
box. The screw terminals at the back and the plug
connection sockets on the front are connected in parallel.
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and microphone cables
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