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Service manual CS3000
Chapter 3: Interface board RS232K-2 3-34
The circuit boards of the central unit
Document no.:
S-4-007.875/E
Prepared:
1995-03-17 Fia
Revision:
R4 2004-03-15 BM
© 2002, Consilium Marine AB
Function
Block diagram
UART
UART
13
8
IRQ
3
11
14
14
15
12
10
485
485
232
232
UART
UART
STATUS REGISTER
INDICATOR
LED
9
7
STATUS REGISTER
ADDRESS BUS
FUSE FAULT
POWER FAULT
6
5
4
2
1
+5V
DATA BUS
DATA
BACK PLANE
BUFFER
BUFFER
ADDRESS
LOGIC
CONTROL
SUPERVISION
CONVERTER
DC/DC