Filter
Top Products
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:
1 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).
2 Volume control - A control to adjust the volume
of the internal loudspeaker and the headset.
3 Press-to-talk (PTT) key - A key to start a call.
4 Status LEDs - Three bicolored status LEDs provide
information about the call station basic and the status
of the Praesideo system. (see section 15.5).
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.
6 System bus - Two system bus connectors to
connect the call station basic to other Praesideo
equipment (see section 15.3.2).
7 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