}
.
20
S
tandard Interface Circuit Schematics (Continued 1)
illu
strates
th
e DBV
-40
0 ID-0
03
RS23
2C
In
terfac
e Sc
he
matic
Dia
gra
m.
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
Master Receive
Master Transmit
Common
RxD
GND
TxD
(TTL)/CTS
LED Power
D/E
Soft-R
Busy
Abn
IN12V/24V
GND
IN12V/24V
GND
Master Receive
Master Transmit
Common
TxD
TxD
GND
TxD
(TTL)/CTS
LED Power
D/E
Soft-R
Busy
Abn
Power
3.3V
5V
Power
3.3V
22K
3.3V
100K
1SS357
Sleep Control
INLINE1
IFSEL1
IFSEL2
WAKEUP
(Exar)
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
A
B
C
RxD
CON
T
R
O
LLER SIDE
DBV
-40
0 SIDE
Figu
re 14
DBV
-4
0
0
ID-0
03 RS232
C
Inter
face Sch
e
ma
tic Diagr
am
