Bosch Appliances Home Security System 3.5 User Manual

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Bosch Security Systems | 2011-02
2011-02 | Installation and User Instructions | 5 | Call Stations
en | 204
15.2 Controls, connectors and 
indicators
The call station basic (see figure 15.3 and figure 15.4) 
contains the following:
Headset connection - A 3.5 mm (0.14 inch) jack 
socket to connect a headset. The loudspeaker (5) and 
the microphone are muted when a headset is 
connected (see section 15.3.3).
Volume control - A control to adjust the volume 
of the internal loudspeaker and the headset.
Press-to-talk (PTT) key - A key to start a call.
Status LEDs - Three bicolored status LEDs provide 
information about the call station basic and the status 
of the Praesideo system. (see section 15.5).
Loudspeaker - A loudspeaker for audio 
monitoring purposes. The loudspeaker and 
microphone are muted when a headset is connected 
to the headset connection (1). Chimes and messages 
activated by a PTT key or call activation key of the 
call station or one of its keypads (see section 47.3.3) 
are played via the loudspeaker of the call station. 
Calls that are recorded for time-shifted broadcasting 
with a call stacker can also be monitored.
System bus - Two system bus connectors to 
connect the call station basic to other Praesideo 
equipment (see section 15.3.2).
Interface connector - A flat cable connector to 
connect the call station basic to a keypad.
15.3 Connections
15.3.1 Introduction
This section gives an overview of typical system 
connections using the call station basic.
Connecting the network (see section 15.3.2).
Connecting a headset (see section 15.3.3).
15.3.2 Connecting the network
Connect the call station basic to the Praesideo system 
using the system bus connectors and LBB4416 network 
cables. Both connectors are interchangeable.
This unit is powered by the network controller, via the 
Praesideo system bus.
15.3.3 Connecting a headset
The next figure shows the signals that are available on 
the headset connector and how they relate to the parts 
of a 3.5 mm connector.
figure 15.2: Headset connector
Note
The wire of the headset may not be longer than 
3 meter.
5V
microphone
headphone
GND
2K2