Bosch Appliances 3.5 Operation, Technical data, Physical characteristics, Climate conditions

2011-02 Installation and User Instructions 5 Call Stations

en 259

23.5 Operation

table 23.1: Status LED indications

Yellow	Green	Status
(Fault)	(Power)
Off	Off	No power
On	On	No network or network fault
Off	On	Functioning correctly

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

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

Bosch Security Systems 2011-02