Technical Data; System Specification - Bosch INTEGRUS Installation And Operating Manual

INTEGRUS | Digital Infra-red Language Distribution System

7 Technical Data

7.1 System Specification

Overall system characteristics
N
Conforms to IEC 60914, the international standard for conference systems
N
Conforms to IEC 61603 part 7, the international standard for digital infra-red transmission of audio signals for conference
and similar applications
Transmission Characteristics
N
IR transmission wavelength
N
Modulation frequency
N
Protocol and modulation technique
System Audio Performance
(Measured from the audio input of an LBB 4502 transmitter to the headphone output of an LBB 4540 receiver.)
N
Audio frequency response
N
Total harmonic distortion at 1 kHz
N
Crosstalk attenuation at 1 kHz
N
Dynamic range
N
Weighted signal-to-noise ratio
Cabling and System Limits
N
Cable type
N
Maximum number of radiators
N
Maximum cable length
System Environmental Conditions
N
Working conditions
N
Temperature range
N
transport
N
operating
N
Maximum relative humidity
N
Safety
N
EMC emission
N
EMC immunity
N
EMC approvals
N
ESD
N
Mains harmonics
N
Environmental requirements
870 nm
Carriers 0 to 5: 2 to 6 MHz, according to IEC 60603 part 7
Carriers 6 and 7: up to 8 MHz
DQPSK, according to IEC 60603 part 7
20 Hz to 10 kHz (-3 dB) at Standard Quality
20 Hz to 20 kHz (-3 dB) at Premium Quality
< 0.05 %
> 80 dB
> 80 dB
> 80 dB(A)
75 Ohm RG59
30 per HF output
900 m per HF output
Fixed/stationary/transportable
-40 to +70GC (-40 to 158GF)
+5 to +45GC (41 to 113GF)
+5 to +35ºC (41 to 122ºF) for LBB 4560
+5 to +55GC (41 to 131GF) for LBB 4502
< 93%
According to EN 60065, CAN/CSA-E65 (Canada and US) and UL 6500
According to EN 60065, CAN/CSA-E65 (Canada and US) and UL 1419
for LBB 4511/00 and LBB 4512/00
According to harmonized standard EN 55103-1 and FCC rules part 15,
complying with the limits for a class A digital devices
According to harmonized standard EN 55103-2
Affixed with the CE mark.
According to harmonized standard EN 55103-2
According to harmonized standard EN 55103-1
Contains no banned substances as specified in UAT-0480/100 (e.g. no
cadmium or asbestos)
BOSCH Security Systems | February 2003
en |
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