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INTEGRUS | Installation and User Instructions | Technical Data en | 54
Bosch Security Systems | 2005-04 | 3122 475 22015en
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 870 nm
Modulation frequency Carriers 0 to 5: 2 to 6 MHz,
according to IEC 61603 part 7
Carriers 6 and 7: up to 8 MHz
Protocol and modulation DQPSK, according to IEC
technique 61603 part 7
System Audio Performance
(Measured from the audio input of an INT-TX range
transmitter to the headphone output of an
INT-RX range receiver.)
Audio frequency response 20 Hz to 10 kHz (-3 dB) at
Standard Quality
20 Hz to 20 kHz (-3 dB) at
Premium Quality
Total harmonic distortion at 1 kHz
< 0.05%
Crosstalk attenuation at 1 kHz > 80 dB
Dynamic range > 80 dB
Weighted signal-to-noise ratio > 80 dB(A)
Cabling and System Limits
Cable type 75 Ohm RG59
Maximum number of radiators 30 per HF output
Maximum cable length 900 m (2,970 feet) per HF out-
put.
System Environmental Conditions
Working conditions Fixed/stationary/transportable
Temperature range
- transport -40 to +70 °C (-40 to 158 °F)
- operating +5 to +45 °C (41 to 113 °F)
+5 to +35 °C (41 to 122 °F)
for LBB 4560 range
+5 to +55 °C (41 to 131 °F) for
INT-TX range
Maximum relative humidity < 93%
Safety 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
EMC emission According to harmonized stan-
dard EN 55103-1 and FCC rules
part 15, complying with the limits
for a class A digital devices
EMC immunity According to harmonized
standard EN 55103-2
EMC approvals Affixed with the CE mark
ESD According to harmonized
standard EN 55103-2
Mains harmonics According to harmonized
standard EN 55103-1
Environmental requirements Contains no banned substances
as specified in UAT-0480/100
(e.g. no cadmium or asbestos)