Bosch Security Systems | 2004-06 | 9922 141 10371en
Plena Voice Alarm System | Installation and User Instructions | Application examples en | 12
meeting room and two offices, each requiring a single
loudspeaker. The canteen, assembly hall, playing fields
and corridors typically require more loudspeakers per
zone. An additional Plena booster amplifier is used as a
spare amplifier.
2.2.5 System configuration
The Plena units, needed to build the application, are
listed in table 2.3. The interconnections are shown in
figure 2.1.
table 2.2: Power requirements per zone
Zone Description Power
1-22 Classrooms 22x6W cabinet
23 Toilets 4x6W ceiling
24 Staff meeting room 1x6W cabinet
25-26 Offices 2x6W cabinet
27 Corridors 4x6W projector
28 Assembly hall 2x6W ceiling
29 Lunch canteen 2x6W ceiling
30 Playing fields 1x10W horn
To t al 232W
table 2.3: Used Plena units
Unit Description Number
LBB1990/00 Voice alarm controller 1x
LBB1992/00 Router 4x
LBB1996/00 Remote control panel 1x
LBB1997/00 RCP extension 4x
LBB1956/00 Call station 1x
LBB1957/00 CS extension keypad 4x
LBB1935/00 240W booster 1x
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