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Central Control Unit (Com - ports) LBB3500/15

2 x 9-pin Sub-D connector RS 232 for: Facilities

factory testing (diagnostics) direct PC control camera control remote control (Open interface)

applications for:

- Mimic panel (Microphone control)

- Voting panel

- Attendance registration

- Intercom

- Message Distribution

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Central Control Unit (Com - ports) LBB3500/15

Open interface applications for remote controller

The DCN system provides a facility for controlling microphones, microphone management modes, attendance registration and voting from a remote controller.

The remote controller can be custom built for a given application to control microphone activity - for example a push- button panel, with on/ off push-buttons and indicator. LEDs assigned to each microphone position can be used to control delegates microphones from a remote position.

The communication protocol is message based binary interface (i. e remote functions and update information).

Note: Before third parties can use the remote interface, the interface

must be enabled on the CCU by installing the LBB3587 key-disk.

- Only possible by using the LBB 3500/15 or /35

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CCU Trunk Communication Board (TCB-4) Key to symbols :

1 Jumper X14 (See Chapter 4.5.3 (Table 4.4))

2 S14 DIP- switches 1 - 8 (See Chapter 4.6 )

3 S10 Push- button switch to reset the Central Control Unit during servicing.

4 Three LEDs (left to right) green/ yellow/ red. Normally the green/ yellow LEDs flash in sequence, indicating the software is running. Red LED illuminates during system reset.

5 S9 DIP- switches 1 - 8 (See Chapter 4.5.2 (Table 4.3))

6 Yellow LED indicates Digital Signal Processing (DSP) software is running.

7 Connector for multi- trunk board (used only in the multi- CCU)

8 Sockets for inserting flash EPROM (even)

9 Sockets for inserting flash EPROM (odd)

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CCU Trunk Communication Board (TCB-4) Key to symbols :

10 SRAM back- up battery 3.6 V (life- time 5 years min.)

11 Jumper X13 (See Chapter 4.5.3 (Tables 4.4))

12 Fuse 3.15 amp (delayed)13 Connector for multi- trunk board (used only in

the multi- CCU)14 Serial RS232 Port 115 Serial RS232 Port 2

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Central Control Unit (Com - ports) LBB3500/15

LBB 3500/ 15 and LBB 3500/ 35 (TCB 4) Port 1 : DCN Control PC Port 2 : Camera Control

In a single (stand- alone) CCU system two serial COM- ports (Port 1 and Port 2) are available. Both ports can be individually configured.

NOTE: It is possible to select ‘Full’ protocol on both Port 1 and Port 2. However this is NOT recommended due to processing power and memory limitations.

Default settings are;•8 data bits•No parity check•1 Stop bit

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TCB-4 DIP Switch Settings

(default)

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Central Control Unit (Audio I/O) LBB3500/15

1. Asymmetrical Recorder In- & Outputs

2. 2 Asymmetrical line input connectors

3. Symmetrical or 2 Asymmetrical line outputs

1

3

2

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Central Control Unit (Audio I/O) LBB3500/15

1. Tape/cassette recorder input and output (Cinch-type)

Tape In Asym. nom. -33 dBV max. -3 dBV

Tape Out Asym. nom. -33 dBV max. -3 dBV

2. 2 Asymmetrical line input connectors (Cinch-type)

Line In Asym. nom. -18 dBV max. +12 dBV

3. Symmetrical/Asymmetrical line output connectors (Cinch-type)

Line Out Sym. nom. -12 dBV max. +18 dBV

Line Out Asym nom. -18 dBV max. +12 dBV

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Central Control Unit (Trunk Outlets) LBB3500/15

1. Red LED overload indicators

2. Trunk outlet used for loop-through of the trunk-line-cable

1

2

Trunk

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Central Control Unit (Trunk Outlets) LBB3500/15

Trunk outlets

For loop-through of the DCN trunk-line without regenerating the digital signal.

Power handling capacity maximum:

- 60 PCF per outlet

- 180 PCF total for the three outlets of the CCU.

PCF=<60 max.

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1. Mains socket with built-in fuse

Nominal

Mains voltage Mains fuse Power Consumption

220, 230, 240 V AC. T- 4A (slow blow) 350 W

105, 115 V, 125 V AC. T- 5A (slow blow)

Warning:

All units must be powered via an earthed mains outlet.

115V-T4A/230V-T2A

Extension Power Supply LBB4106/x0

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Central Control Equipment

End of section

Robert Bosch GmbH

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