Bosch Appliances 3922 988 43318 manual Flush Mounting Solutions, Pin

Digital Congress Network Installation and Operating Manual Chapter 2 - Contribution Equipment en 2-13

Connection details: 8-pole 262° DIN-socket

2.9.1 Flush Mounting Solutions

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)

6

87

3 1

54

2

Flush mounted solution No.1 (serving two delegate positions) FIG. 2-18

LBB 3535/00	Dual Audio Interface Unit
2 x LBB 3537/00	Microphone control panel with microphone stem (310mm/12.2 in)	or
2 x LBB 3537/50	Microphone control panel with microphone stem (480mm/18.8 in)	or
2 x LBB 3537/20	Microphone control panel for pluggable microphones types:

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-

- 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) FIG. 2-19

LBB 3535/00	Dual Audio Interface Unit
LBB 3537/00	Microphone control panel with microphone stem (310mm/12.2 in)	or
LBB 3537/50	Microphone control panel with microphone stem (480mm/18.8 in)	or
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

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 Chapter 2.17 for the solder spots and their settings.

Floor stand or Podium Microphones (FIG. 2-20and FIG. 2-21)

The Dual Audio Interface Unit LBB 3535/00 can be used to connect floor-stand, podium, or wireless microphone systems to the DCN system. FIG. 2-20and FIG. 2-21shows two typical examples using 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).

To previous unit

LBB 3535/00

From	1 2 1	2
next
unit

LBB 3538/00

LBB 3537/00

	To previous unit
LBB 3535/00
From	1 2 1	2
next
unit

LBB 3538/00

LBB 3537/10

LBB 3537/00

FIG. 2-18 Serving two delegates FIG. 2-19 Serving a chairman position

Bosch Security Systems 04-2003 3922 988 43318 en LBB 3535/00 Dual Audio Interface unit