Bosch Appliances 3922 988 43318 manual LBB 4114/00 Trunk-cable splitter, LBB 4115/00 Tap-off Unit

Digital Congress Network Installation and Operating Manual Chapter 7 - DCN Installation Accessories en 7-2

7.1.1 LBB 4114/00 Trunk-cable splitter

For use in combination with the systems installation cabling, the splitter is used to divide the trunk-line cabling into diverse directions, to achieve where necessary, a neat and tidy layout of the system cabling and its connected equipment.The splitter comes complete with cable restraining clamps and include mounting holes for fixation to a floor or for mounting against a wall.

7.1.2 LBB 4115/00 Tap-off Unit

The LBB 4115/00 is used to create short-circuit proof tap-off points on the trunk-line cabling. Each tap-off point allows for connection of up to five channel selector panels or one contribution unit such as delegate, chairman or interpreter unit.The tap-off unit comes complete with cable restraining clamps and includes mounting holes for fixing purposes.

Key to symbols (see FIG 7-2):

1.2 m (6.5 ft.) long cable terminated with a moulded 6-pole circular connector.

2.6-pole circular connector for trunk-cable splitting and pulse regeneration purposes (tap-off).

3.6-pole circular connector for Loop-through connection (Trunk).

4.6-pole circular connector for trunk-cable splitting and pulse regeneration purposes (tap-off).

5.Screw holes for securing the unit.

4		BOSCH	2
5			5
3
			1
4	3	1	2

Interconnection (see FIG 7-3):

1.2 m (6.5 ft.) long cable terminated with a moulded 6-pole circular connector.

2.6 pole circular connector for tap-off purposes.The tap-off is equipped with an electronic short circuit protection facility on the power supply lines with a max load of 2.5 PCF.

3.6-pole circular connector for loop-through connections (Trunk).

4.6 pole circular connector for tap-off purposes.The tap-off is equipped with an electronic short circuit protection facility on the power supply lines with a max load of 2.5 PCF.

5.Screw holes for securing the unit.

LBB 4115/00	Trunk-line
	connector
Trunk-line
1	3

2 4

5

2.5PCF (max.)

Trunk-line

Tap-offs
	2.5 PCF (max.)

LBB 4115/00

To CCU Trunk-line

FIG 7-2 Layout Trunk-cable splitter (top and side view)

FIG 7-3 LBB 4115/00 Tap-off unit

Bosch Security Systems 04-2003 3922 988 43318 en Introduction Installation accessories