Bosch Appliances 3922 988 43318 manual Front panel, Rear panel, Internal view

Digital Congress Network Installation							and Operating Manual Chapter 4 - Central Control Equipment							en 4-3
												Front panel
		1			2	3	4	5	6	7	8
												1.	Mains On/Off switch with indicator (green LED).
												2.	‘Active Micros’
													3 indicators (yellow LEDs) and a push-button selector switch to select the maximum number of
													delegate microphones which may be activated concurrently 1, 2 or 4.
												3.	‘Operation’
													3 indicators (yellow LEDs) and a push-button selector switch to select the microphone mode of
													operation: Open, Override or Voice.
												4.	‘Equalizer’
													1 x Microswitch (start) to initiate audio equalizer adjustment.
													1 x Equalizer On’ indicator (green LED)
													1 x Equalizer ‘Busy’ indicator (red LED)
9		10		11	12			13			14		1 x Equalizer On/Off button
												5.	Unit loudspeakers tone control (bass).
												6.	Unit loudspeakers tone control (treble).
												7.	Unit loudspeakers volume control.
													Units include: Delegate, Chairman units and Flush mounted units with loudspeaker.
												8.	**Selection switch to select single or Multi-CCU systems, with error indication.
													(not applicable for CCUs LBB 3500/05 and LBB 3500/15)
												Rear panel:
												9.	*COM Port 2. RS232 connection for automatic camera control (default) (see Chapter 5.)
												10.	*COM Port 1. RS232 ‘DIRECT’ connection to DCN control PC (Default) (see Chapter 5.)
													IMPORTANT: Port 1 on the CCU type LBB 3500/05 is NOT available for DCN PC control,
			15
					16			17					but set (default) for camera control.
				LBB 3500/35 only								11.	Tape/cassette recorder Input and output (cinch-type) for floor input and output.
												12.	2 x Asymmetrical line input connectors (cinch-type) (floor input).
	Port 2 not applicable for LBB 3500/05								Version illustrated LBB 3500/35			13.	3 x outlet trunk-line cable connectors for connection of contribution, distribution, and interpreta-
	For 19” rack mounting see Chapter 4.12												tion units, plus extension power supplies. (3 x 6-pole circular connectors)
												14.	Euro-mains socket with in-built fuse (a.c. mains voltage selectable inside unit). Matching mains
													cable (1.7 m (5.5 ft.) (D-version 2.5 m (8.2 ft.) included.
												15.	**Two BNC connectors (in/out), for loop-through connection to other Multi-CCU’s and Master
FIG 4-2 LBB 3500/35 Multi Central Control Unit (front and rear)													PC.
												16.	2 x Asymmetrical line output connectors (cinch-type)
Controls and Indicators (Illustrated version LBB 3500/35 (FIG 4-2)													or 1 x Symmetrical line output for floor distribution to Public Address systems.
* Not applicable to LBB 3500/05												17.	3 indicators to indicate trunk-line overload (red LEDs).
** Not applicable to LBB 3500/05 and LBB 3500/15

Internal view:

See FIG 4-3

Bosch Security Systems 04-2003 3922 988 43318 en LBB 3500/35, LBB 3500/35(D) Multi Central Control Unit