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Bosch Security Systems | 04-2003 | 3922 988 43318 en
Digital Congress Network | Installation and Operating Manual | Chapter 4 - Central Control Equipment
en | 4-6
CCU Trunk Communication Board (TCB4)
4.5 CCU Trunk Communication Board (TCB4)
All CCU’s (LBB 3500/05, LBB 3500/15, LBB 3500/35) include an in-built ‘Trunk Communication
Board’ (TCB4) (see FIG 4-3 and FIG 4-5). The board installed in CCUs’ type LBB 3500/15 and
LBB 3500/35 provides the CCUs’ with two similar high speed serial RS 232 ports (Port1 and Port 2).
Port 1 is used for ‘DIRECT’ connection to a DCN control PC (default) and Port 2 is used for either
test/diagnostics or camera control (default). The board housed in the CCU type LBB 3500/05
provides the CCU with ONLY one high speed serial RS 232 port (Port 1). This port is used for either
automatic camera control (default) or for test and diagnostics purposes.
NOTE: CCU’s with TCB3 boards, can be upgraded for use with TCB4 boards using the
upgrade kit LBB 3519/20. For installation details refer to the Installation Instructions,
supplied with the upgrade kit.
Key to symbols (FIG 4-5) :
4.5.1 Installation
1. See ‘Safety Precautions’ at the front of this manual.
2. DIP-switch S14 must be set, to configure the communication protocol and baud rate used on
Port 1 and Port 2 (see Chapter 4.6 ).
3. DIP-switch S9 must be set to configure the boards functionality (see Chapter 4.5.2 ).
4. Jumpers X13 and X14 must be set (see Chapter 4.5.3).
FIG 4-5 Layout ‘Trunk Communication Board (TCB 4)
1
Jumper X14 (See Chapter 4.5.3 (Table 4-4:))
2
S14 DIP-switches 1 - 8 (See Chapter 4.6 )
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 4.5.2 (Table 4-3:))
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 Chapter 4.5.3 (Table 4-4:))
12
Fuse 3.15 amp (delayed)
13
Connector for multi-trunk board (used only in the multi-CCU)
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
DIP-switch S9
S10
Reset Switch
TCB 4
DIP-switch S14
Port 2
Port 1
X13
123
132
X14
S14
ON
87654321
S9
ON
12345678
See Chapter 4.5.2
See Chapter 4.6
location
Chapter 4.3