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2-
14
Section 2
Installa
tion
S
tandard Inter
face Cir
cuit Schematics (Continued
1)
Figure 2-12 illustrates the DBV
-400 ID-0
03
RS232C Interface Schematic Diagram.
F
igu
re 2-
12
Figu
re 2-
12
DBV
-4
0
0
ID-0
03 RS232
C Inter
face Sch
e
ma
tic Diagr
am
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
IN12V-24V
GND
IN12V-24V
GND
RxD
GND
IN12V-24V
GND
IN12V-24V
GND
TxD
TxD
GND
Power
3.3V
5V
Power
3.3V
22K
Sleep Control
INLINE1
IFSEL1
IFSEL2
(Exar)
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
A
B
C
RxD
C
O
NTROLLER
SID
E
DBV
-40
0 SIDE