Flush Mounting Solutions - Bosch Digital Congress Network Installation And Operating Manual

Digital Congress Network | Installation and Operating Manual | Chapter 2 - Contribution Equipment
Connection details: 8-pole 262° DIN-socket
PIN 1 - 3 Symmetrical input (PIN 1(signal +), PIN 3 (signal -)
PIN 2 Screen 0V
PIN 4 Mic. On LED (red)
PIN 5 Request-to-speak LED (green)
PIN 6 Mic. switch
PIN 7 +5 volt
PIN 8 Light-ring indicator (LBB 3537/xx)
NOTE:
PINS 1 and 3 provide a symmetrical input and PINS 1 and 2 provide an asymmet-
rical input. For custom built solutions the following connections are required:
• PIN 4 to PIN 7 for mic. On LED(pin 4 = cathode, pin 7 = anode)
• PIN 5 to PIN 7 for Request-to-speak LED(pin 5 = cathode, pin 7 = anode)
• PIN 6 to PIN 7 for mic. switch
INSTALLING DUAL AUDIO INTERFACE UNIT
The unit can be mounted free-standing on a table-top, mounted on a wall, or discreetly mounted into
table-tops or into the arm rests of chairs using the screw holes provided on the unit.
When connecting microphones or line level sources, the switch settings on the top of the unit should
be set to their correct operating positions. A jumper setting assigns the unit as either a delegate or
chairman or ambient microphone position. When assigned as a chairman position, input 1 is used for
the microphone, and input 2 is used for the priority input, using Priority Control panel LBB 3537/10.
NOTE:
Two solder spots J1 and J2 are used when assigning the unit for use as either a del-
egate unit, chairman unit, or as an ambient microphone. When used as a chairman unit, one
input is used to connect microphone LBB 3537/xx, and the other input is used for the
Chairman Priority control panel LBB 3537/10. Refer to
and their settings.
Floor stand or Podium Microphones
The Dual Audio Interface Unit LBB 3535/00 can be used to connect floor-stand, podium, or wireless
microphone systems to the DCN system.
a floor-stand and podium microphones. In the podium example the Dual Audio Interface Unit is used
to connect two Microphone with control panels LBB 3537/xx and a Loudspeaker panel LBB 3538/00.
IMPORTANT:
WHEN USED IN 'VOICE' ACTIVATED MODE, ONLY ONE
MICROPHONE CAN BE USED (INPUT 2).
Bosch Security Systems | 04-2003 | 3922 988 43318 en
6
8 7
3 1
5 4
2
Chapter 2.17 for the solder spots
(FIG. 2-20 and FIG. 2-21)
FIG. 2-20 and FIG. 2-21 shows two typical examples using
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2.9.1 Flush Mounting Solutions

Flush mounted solution No.1 (serving two delegate positions)
LBB 3535/00 Dual Audio Interface Unit
2 x LBB 3537/00 Microphone control panel with microphone stem (310mm/12.2 in)
2 x LBB 3537/50 Microphone control panel with microphone stem (480mm/18.8 in)
2 x LBB 3537/20 Microphone control panel for pluggable microphones types:
- LBB 3549/00 Microphone with stem length (310mm/12.2 in) or
- LBB 3549/50 Microphone with stem length (480mm/18.8 in)
2 x LBB 3538/00 Loudspeaker panel
Flush mounted solution No.2 (serving a chairman position)
LBB 3535/00 Dual Audio Interface Unit
LBB 3537/00 Microphone control panel with microphone stem (310mm/12.2 in)
LBB 3537/50 Microphone control panel with microphone stem (480mm/18.8 in)
LBB 3537/20 Microphone control panel for pluggable microphones types:
- LBB 3549/00 Microphone with stem length (310mm/12.2 in) or
- LBB 3549/50 Microphone with stem length (480mm/18.8 in)
LBB 3537/10 Chairman priority panel
To previous unit
LBB 3535/00
From
1 2 1 2
next
unit
LBB 3538/00
LBB 3537/00
FIG. 2-18 Serving two delegates
en | 2-13
FIG. 2-18
or
or
FIG. 2-19
or
or
To previous unit
LBB 3535/00
From
1 2 1 2
next
unit
LBB 3538/00
LBB 3537/10
LBB 3537/00
FIG. 2-19 Serving a chairman position
LBB 3535/00 Dual Audio Interface unit
2