Examples - Bosch DCN Wireless Installation And User Instructions Manual

DCN Wireless | Installation and User Instructions | System Design and Planning
2.8

Examples

2.8.1 Cable lengths
Legend
Regenerative tap-off
R
Power overload
P
LBB4114/00
LBB4114/00
LBB4114/00
P
figure 2.4: Example with cable lengths
Point I
The maximum available power with 240 m of extension
cables is 19 W (refer to figure 2.3). Because the first and
second trunk splitter use 2.6 W, the available power at
point I is 19 - 2.6 = 16.4 W.
Bosch Security Systems | 2007-02 | 9922 141 70691 en
100 m
R
100 m
R
240 m
250 m (max)
2 m
5 x 2 m = 10 m
DCN-WCCU
RS 232 Port 1
Audio In 1 Audio Out 1
RS 232 Port 2
Network Trunk
1 2 1 2
Fault
NC C C NO
48V 48V
DCN-EPS
Trunk Tap-off
In Out Out Out
Trunk
LBB4114/00
R
LBB4114/00
LBB4114/00
P
Point II
The maximum available power with 240 m of extension
cable is 25 W (refer to figure 2.3). Because the first and
second trunk splitter use 2.6 W, the available power at
point II is 25 - 2.6 = 22.4 W.
Mains
Audio In 2 Audio Out 2
230
115: 100-120V 50-60Hz T2.5A 250V
230: 220-240V 50-60Hz T2A H 250V
2 m
100 m
100 m
R
240 m
250 m (max)
5 x 2 m = 10 m
en | 19