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Bosch Security Systems | 2007-02 | 9922 141 70691 en
DCN Wireless | Installation and User Instructions | System Design and Planning en | 19
2.8 Examples
2.8.1 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.
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.
figure 2.4: Example with cable lengths
OutOutOutIn
Tap-offTrunk
NCCCNO
Fault
RS232
Network
12
AudioIn1 AudioOut1 AudioIn2 AudioOut2
Mains
Port2
115:100-120V 50-60Hz T2.5A250V
230:220-240V 50-60Hz
T2AH250V
RS232 Port1
Trunk
12
48V 48V
230
Trunk
LBB4 11 4/00
DCN-WCCU
DCN-EPS
250 m (max)
250 m (max)
240 m
240 m
100 m
100 m
2m
LBB4 11 4/00
LBB4 11 4/00
100 m
100 m
5x2m=10m
5x2m=10m
LBB4 11 4/00
2m
LBB4 11 4/00
LBB4 11 4/00
Regenerative tap-off
Legend
R
R R
R
R
P
P
Power overload
P