Bosch Appliances 3922 988 43318 Interconnection details discussion units, Key to symbols FIG

Digital Congress Network Installation and Operating Manual Chapter 2 - Contribution Equipment en 2-5

2.3.2 Interconnection details discussion units

All discussion units include connectors for loop-through connection of one unit to the other (i.e.‘daisy chain’). FIG. 2-6shows the connectors and the interconnection method used.

Key to symbols (FIG. 2-6)

1.2 m long cable terminated with a 6-pole circular connector.

2.6-pole socket for loop-through from other system units.

3.Recessed microswitch for resetting the unit’s address (De-Init).

2.3.3 Mounting discussion units (FIG. 2-6)

In portable systems, discussion units can be free-standing on a level surface - such as a table-top. In permanent installations, the units can be nut/bolt mounted using the 2 x M3 threaded holes under the unit. In such an installation, the units cable securing clamp can be removed from its cable entry and modified, allowing its 2 m cable to be neatly run through a hole directly under the table-top surface (see opposite). For cable clamp modification, remove the cable clamp at the rear of the unit by unscrewing the clamps two securing screws (A) . Once removed, use a sharp cutting tool to remove the small insert (B) from its housing. Run the units cable through the cable run and secure it into the free cable entry using the removed insert (B) as shown in (D).

Rear view Discussion unit
			B
		A	A
		D
1	2	3
			C
	Trunk Cable Splitter
	LBB 4114/00
			Discussion unit
			(rear view)
			LBB 3530/xx
			LBB 3531/xx
			LBB 3533/xx
			LBB 3534/xx
	To Central Control Unit (CCU)
FIG. 2-6	Interconnections discussion unit (rear view)

Bosch Security Systems 04-2003 3922 988 43318 en LBB 3533/xx and LBB 3534/xx Chairman Discussion Unit