Bosch Appliances Webcam 3922 988 43318 User Manual

Page of 172
  2
Bosch Security Systems | 04-2003 | 3922 988 43318 en
Digital Congress Network | Installation  and Operating Manual | Chapter 10 - Installation Techniques
en | 10-3
Trunk outlets and Tap-offs
10.3   Trunk outlets and Tap-offs
The Extension Power Supply Unit LBB 4106/00, Audio Media Interface Unit LBB 3508/00, Trunk-cable 
splitter LBB 4114/00 and Tap-off Unit LBB 4115/00 all have Trunk outlets and Tap-offs.  Trunk-outlets 
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.
 shows the Trunk outlets and Tap-offs of the following units:
1. Audio Media Interface Unit LBB 3508/00
2. Extension Power Supply unit LBB 4106/00
3. Trunk-cable splitter LBB 4114/00 and Tap-off unit LBB 4115/00
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 10-2
Trunk-outlet and tap-off connections
115 V-T4A  230 V -T2A
Output 1
Output 2
Output 3
Output 4
Trunk
Tap-off
 -T2
Trunk
11 5V
-
T 4A
 
2 30V
Tap-off
In
1
2
3
LBB 3508 Audio Media Interface Unit
LBB 4106/00 Extension Power Supply Unit
Tap-offs
Trunk-outlet
LBB 4114/00 Trunk-cable splitter
LBB 4115/00 Tap-off unit
Tap-offs
Trunk-in
Trunk-out
Trunk-outlet
Tap-offs