Bosch Security Systems
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| 6
Digital Congress Network
| TCB 4 Upgrade Kit LBB 3519/20 | Chapter 2. Trunk Communication Board (TCB4)
Chapter 2. Trunk Communication Board (TCB4)
Key to symbols
(fig.2-1) :
FIGURE 2-1 Layout ‘Trunk Communication Board (TCB 4)
1 Jumper X14 (see Table 2.2)
2 S14 DIP-switches 1 - 8 (see Chapter 3) )
3 S10 Push-button switch to reset the Central Control Unit during servicing.
4 Three LEDs (left to right) green/yellow/red. Normally the green/yellow LEDs flash in
sequence, indicating the software is running. Red LED illuminates during system
reset.
5 S9 DIP-switches 1 - 8 (see Chapter 2.1)
6 Yellow LED indicates Digital Signal Processing (DSP) software is running.
7 Connector for multi-trunk board (used only in the multi-CCU)
8 Sockets for inserting flash EPROM (even)
9 Sockets for inserting flash EPROM (odd)
10 SRAM back-up battery 3.6 V (life-time 5 years min.)
11 Jumper X13 (see Table 2.2)
12 Fuse 3.15 amp (delayed)
13 Connector for multi-trunk board (used only in the multi-CCU LBB 3500/30)
14 Serial RS232 Port 1
15 Serial RS232 Port 2
12345678
ON
87654321
ON
BATTERY
FUSE
IC4 IC3
IC6
IC8
IC9
S9
S14
X1
X11
X13
X10
X40
X41
X14
X17a X17b
1
81
1
OFF
ON
S10
IC1
IC04
IC11
IC12
21
3
4
5
6
7
89
10
11
12
13
14
15
See Table 2.1
DIP-switch S9
See Table 3.1 and 3-2
S10
Reset Switch
TCB 4
location Fig. 1-2
DIP-switch S14
Port 2
Port 1
X13
123
132
X14
S14
ON
87654321
S9
ON
12345678
