Technical Data; Call Station Lbb1956/00; Electrical; Performance - Bosch Plena Installation And User Instruction Manual

Plena Voice Alarm System | Installation and User Instructions | Technical data
8

Technical Data

8. 1

Call Station LBB1956/00

8.1.1

Electrical

Voltage range:
24 V(DC), +20%/-10%, supplied by LBB1990/00 or
external power source.
Current consumption:
< 30 mA
8.1.2

Performance

Nominal sensitivity:
85 dB SPL (gain preset 0 dB)
Nominal output level:
355 mV
Maximum input sound level:
110 dB SPL
Gain preset:
+6/0/-15 dB
Limiter threshold:
2 V
Compression ratio limiter:
20:1
Distortion:
< 0.6% (nominal input)
< 5% (maximum input)
Equivalent input noise level:
25 dB SPL(A)
Frequency response:
100 Hz - 16 kHz
Speech filter:
- 3 dB @ 500 Hz, high-pass, 6 dB/oct
Output impedance:
200 Ω
8.1.3

Interconnection

Type:
2x redundant RJ45 sockets to connect the call station
to the voice alarm controller with Cat-5 Ethernet
cables.
Bosch Security Systems | 2004-06 | 9922 141 ?????en
8.1.4

Environmental conditions

Operating temperature range:
-10 to +55 °C
Storage temperature range:
-40 to +70 °C
Relative humidity:
< 95%
8.1.5

General

EMC emission:
According to EN55103-1
EMC immunity:
According to EN55103-2
Dimensions:
40 x 100 x 235 (base)
390 mm stem length (with microphone)
Weight:
approx. 1 kg
8.2 Voice Alarm Controller
LBB1990/00
8.2.1 Electrical
Mains voltage:
230/115 V(AC), ± 15%, 50/60 Hz
Max. mains power consumption:
760 VA
Battery voltage:
24 V(DC), +20%/-10%
Max. battery current:
25 A
Max. mains inrush current:
6.3 A (for mains voltage of 220 - 240 V)
10 A (for mains voltage of 100 - 120 V)
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