Bosch Appliances LBB 3519, 20 Trunk Communication Board TCB4, en, 1Jumper X14 see Table, Port

Digital Congress Network TCB 4 Upgrade Kit LBB 3519/20 Chapter 2. Trunk Communication Board (TCB4) en 6

Chapter 2. Trunk Communication Board (TCB4)

Key to symbols (fig.2-1) :

1Jumper X14 (see Table 2.2)

2S14 DIP-switches 1 - 8 (see Chapter 3) )

3S10 Push-button switch to reset the Central Control Unit during servicing.

4Three 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.

5S9 DIP-switches 1 - 8 (see Chapter 2.1)

6Yellow 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

TCB 4	X14
location Fig. 1-2
			1				2
	1	2	3
			S14	8	7	6	5	4	3	2	1	OFF
											ON	ON
			1 X14
15				8							1
Port 2							X17a				X17b		S10

X41	IC1
14	IC12
Port 1	IC04
X40	IC11
13
	X10
1

12

X13

3
2	11
1
	10
	9

FUSE

BATTERY

X13

IC4 IC3

		8
		7
		6
S9	ON	4 5
		3
		2
		1

IC9

IC8

X11

IC6

X1

DIP-switch S14

8	7	6	5	4	3	2	1
S14			ON

See Table 3.1 and 3-2

3S10

Reset Switch

DIP-switch S9

			8
			7
			6
4		ON	45
			3
	5	S9	2
			1

See Table 2.1

6

7

8

FIGURE 2-1 Layout ‘Trunk Communication Board (TCB 4)

Bosch Security Systems April 03 3922 988 97112 en