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Bosch Security Systems | 2011-02
2011-02 | Installation and User Instructions | 5 | Call Stations en | 217
18.2 Controls, connectors and
indicators
The call station kit (see figure 18.2) contains the
following:
X4 Back-up supply/Control inputs - Besides
powering the call station kit via the system
network connector (X1, X2), it can also be
powered externally from a back-up power
supply (see section 18.2.1). The connector
provides also two control inputs to monitor the
back-up power supply.
X1, X2 System bus - Two system bus connectors to
connect the call station kit to other Praesideo
equipment. Both connectors are
interchangeable.
X143 Keypad interface - The keypad interface is
used to connect up to 16 keypads to the call
station kit (see section 18.2.6).
X70 Microphone - The microphone input is used
to connect a microphone (see section 18.2.3).
X142 External Speaker - The external speaker is
meant for listening to chimes, pre-recorded
messages etc. (see section 18.2.5). Only chimes
and messages activated by a PTT key of the call
station or one of its keypads (see section 47.3.3)
are played via the loudspeaker of the call
station.
X11 Headset - The headset connector provides the
possibility to connect a headset to the call
station kit (see section 18.2.2).
X80 Control input/outputs - The control input
and five control outputs are used as
replacement for the PTT key and LEDs on the
LBB4430/00 Call Station Basic (see
section 18.2.4).
figure 18.2: Component side
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