Bosch Appliances 3922 988 43318 manual Installing Data Distribution board LBB 3512/00

Digital Congress Network Installation and Operating Manual Chapter 8 - Information Displays en 8-4

8.1.2 Installing Data Distribution board LBB 3512/00.

To install the board, first mount and secure the board in a convenient position inside the relevant hall display. Connect one end of the connector cable to the 9-pole Sub-D connector on the data distribution board and connect the other end to the displays RS232 port.The length of cable should not exceed 5 m (16.4 ft.) when using a baud rate of 9600.The boards 2m (6.5 ft.) long cable, terminated with a 6-pole connector, connects directly to the DCN system trunk-line.To extend the length of cable to the trunk-line, extension cables LBB 4116/.. can be used.

8.1.3 Connecting Hall Displays to the DCN System

FIG 8-8shows a typical example using a trunk-splitter when connecting hall displays to the DCN system. When placing displays in the far off corners of a large conference room, extension cables LBB 4116/.. can be used. See Chapter 8.1: “LBB 3512/00 Data Distribution Board” for the address allocation and board settings of the LBB 3512/00.

LBB 3500/..
Port 1	Rec.	Line	Trunk
In		In
Port 2		Out
Out			115 V -T4A 230 V -T2A
		Symmetrical

RS 232

To DCN system

LBB 3512/00

NOTE: The displayed time is derived from a ‘built-in’ clock, and NOT from the DCN system itself.

		Alphanumeric Display* fitted	Geographical Status Display*
		with Data Distribution Board	fitted with Data Distribution
		LBB 3512/00	Board LBB 3512/00
		Address 249-250	Address 251
	*Running only with software-modules on Control-PC
Numeric Display fitted with
Data Distribution Board
LBB 3512/00
Address 248

FIG 8-7 Installing Data Distribution Board LBB 3512/00 FIG 8-8 Typical layout for connecting hall display

Bosch Security Systems 04-2003 3922 988 43318 en LBB 3512/00 Data Distribution Board