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2011-02 | Installation and User Instructions | 5 | Call Stations
23.5 Operation
table 23. 1 : Status LED indications
Yellow
Green
(Fault)
(Power)
Off
Off
On
On
Off
On
23.6 Technical data
23.6.1 Physical characteristics
Dimensions (H x W x D):
27 x 243 x 80 mm (without bracket)
34 x 243 x 84 mm (with bracket)
Weight:
0.7 kg
23.6.2 Climate conditions
Temperature:
-5 to +55 °C (operating, guaranteed)
-15 to 55 °C (operating, sample tested)
-20 to +70 °C (non-operating)
Relative humidity:
15 to 90%, non-condensing (operating)
5 to 95%, non-condensing (non-operating)
Air pressure:
600 to 1100 hPa
23.6.3 EMC and Safety
Electromagnetic compatibility:
EN55103-1/FCC-47 part 15B
EN55103-2
EN50121-4
EN50130-4
Electrical safety:
IEC60065 (CB-scheme)
EN60065
Approvals:
CE marking
EN60849, EN54-16 and ISO7240-16
IEC60945
Bosch Security Systems | 2011-02
Status
No power
No network or network fault
Functioning correctly
23.6.4 Mean time between failure
MTBF:
50,000 hours at +55 °C
(The MTBF doubles for every 10 °C decrease in
temperature.)
23.6.5 System bus
Number of connections:
2x proprietary female connectors
Position:
Front side
Preferred cable:
LBB4416/xx
Maximum cable length:
50 m
Power supply via network:
18 to 56 V(DC)
No fault reporting when >20V
Network power consumption:
4.2 W
23.6.6 Audio
Bandwidth:
20 Hz to 20 kHz (- 3 dB)
Data compression:
4:1 (subband coding)
Signal/Noise ratio:
> 85 dB
Crosstalk:
< -85 dB
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