and 2 offices, each requiring a single loudspeaker. The canteen, assembly hall, playing fields
and corridors typically require more loudspeakers per zone. An additional Plena Power
Amplifier is used as a spare amplifier.
Layout
Figure 3.14: Example of a school
Number
Unit Description No.
1 LBB 1990/00 Controller 1 x
2 LBB 1992/00 Router 4 x
3 LBB 1996/00 Remote control 1 x
4 LBB 1997/00 Remote control extension 4 x
5 LBB 1956/00 Call station 1 x
6 LBB 1957/000 Call station keypad 4 x
7 LBB 1935/20 Power Amplifier (240 W) 1 x
Table 3.1: Units
Zone
Description Power
Z1-22 Classrooms 22 x 6 W
Z23 Toilets/changing rooms 4 x 6 W
Z24 Staff meeting room 1 x 6 W
Plena System overview | en 33
Bosch Security Systems B.V. Installation and Operation manual 2013.07 | V2.0 |
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