Technical Data; Lbb 3222/04 6-Channel Interpreter Desk With Loudspeaker; Lbb 3422/10 Symmetrical Audio Input And Interpreters Module; Connection Details - Bosch INTEGRUS Installation And Operating Manual

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4 Technical data

4.1 LBB 3222/04 6-Channel interpreter desk with loudspeaker

4.1.1 Physical characteristics
Mounting
Dimensions (H x H x W x D)
front rear
Weight
Finish
4.1.2 Electrical characteristics
Frequency response
Rated equivalent sound pressure due
to inherent noise
Total harmonic distortion at overload
Crosstalk attenuation

4.2 LBB 3422/10 Symmetrical audio input and interpreters module

4.2.1 Physical characteristics
Mounting
Dimensions (H x W x D)
Weight
4.2.2 Electrical characteristics
Audio input level with AGC
Audio input level without AGC
Asymmetric input impedance
DC input impedance

4.3 Connection details

System cable

BOSCH Security Systems B.V.| February 2003

Table top or flush mounting
20-58 x 250 x 189 mm (0.79–2.28 x 9.84 x 7.44 inch)
1.75 kg (3.85 lb)
Light gray
125 Hz (-10 dB) to 12.5 kHz (-2 dB)
< 32 dB
< 5%
> 66 dB
Front panel is removed when used with LBB 4502 transmitter
100 x 26 x 231 mm (39 x 10 x 91 inch) without front panel
132 g (0.29 lb) without front panel
-16.5 dBV (150 mVeff) to +3.5 dBV (1500 mVeff)
-4.4 dBV (600 mVeff)
≥ 10 kOhm
≥ 200 kOhm
A 3 m long cable terminated with a 25-pole male D-type connector
Pin nr. Function
1, 14 Floor line (OR)
2, 16 Outgoing language distribution channel 2
3, 15 Auto floor (OR2)
4, 18 Outgoing language distribution channel 1
5, 17 Outgoing language distribution channel 3
6, 20 Outgoing language distribution channel 6
7, 19 Outgoing language distribution channel 4
8, 22 Outgoing language distribution channel 5
9, 21 Call channel
10 Ground reference
12, 13 Supply ground
23 Status line
24, 25 Positive supply voltage
INTEGRUS | LBB 3222/04 and LBB 3422/10