Bosch Appliances 3922 988 43318 manual Trunk outlets and Tap-offs, Tap-off limitations

Digital Congress Network Installation and Operating Manual Chapter 10 - Installation Techniques en 10-3

10.3 Trunk outlets and Tap-offs
The Extension Power Supply Unit LBB 4106/00, Audio Media Interface Unit LBB 3508/00,Trunk-cable	1
splitter LBB 4114/00 and Tap-off Unit LBB 4115/00 all have Trunk outlets and Tap-offs. Trunk-outlets		LBB 3508 Audio Media Interface Unit
are used for loop-through of the DCN trunk-line, and tap-offs are used for trunk-cable splitting.These
units have regenerative Tap-offs, regenerating the digital DCN signal.
FIG 10-2shows the Trunk outlets and Tap-offs of the following units:		Output 1 Output 2 Output 3 Output 4	Trunk	Tap-off
1. Audio Media Interface Unit LBB 3508/00				115 V -T4A 230 V -T2A
2. Extension Power Supply unit LBB 4106/00
3. Trunk-cable splitter LBB 4114/00 and Tap-off unit LBB 4115/00		Trunk-outlet		Tap-offs
10.3.1 Tap-off limitations
The number of serial tap-off connections from the CCU to the last tap-off in its chain should not
exceed 4. Any unit connected thereafter will not function. See FIG 10-3.
	2	LBB 4106/00 Extension Power Supply Unit

Trunk Tap-off

11- 5V T 4A 2 -30VT2

In

Trunk-outlet Tap-offs

3

	LBB 4114/00 Trunk-cable splitter
	LBB 4115/00 Tap-off unit
Trunk-in		Trunk-out

Tap-offs

FIG 10-2 Trunk-outlet and tap-off connections

Bosch Security Systems 04-2003 3922 988 43318 en Trunk outlets and Tap-offs