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

INTEGRUS | Installation and Operating Manual | Technical Data
7

Technical Data

7.1

System Specification

Overall system characteristics
• Conforms to IEC 60914, the international standard
for conference systems
• Conforms to IEC 61603 part 7, the international
standard for digital infra-red transmission of audio
signals for conference and similar applications
Transmission Characteristics
IR transmission wavelength
Modulation frequency
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.)
Audio frequency response
Total harmonic distortion at 1 kHz < 0.05%
Crosstalk attenuation at 1 kHz
Dynamic range
Weighted signal-to-noise ratio
Cabling and System Limits
Cable type
Maximum number of radiators
Maximum cable length
Bosch Security Systems | 2003-02 | 3122 475 22011en
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
> 80 dB
> 80 dB
> 80 dB(A)
75 Ohm RG59
30 per HF output
900 m per HF output
System Environmental Conditions
Working conditions
Temperature range
- transport
- operating
Maximum relative humidity
Safety
EMC emission
EMC immunity
EMC approvals
ESD
Mains harmonics
Environmental requirements
en | 45
Fixed/stationary/transportable
-40 to +70 °C (-40 to 158 °F)
+5 to +45 °C (41 to 113 °F)
+5 to +35 °C (41 to 122 F)
for LBB 4560
+5 to +55 °C (41 to 131 °F) 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 stan-
dard 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)