P
AGE
10
46034-0997 <90-00030>
APPLICATION INFORMATION
49
50
47
48
45
46
A (BB)
B (BA)
C (CF)
D (CA)
E
F
REF
7
CF 8
3
2
1
+5 VDC
RX1
S22-7
TX1
1
2
CA 6
5
Strap 1B - 8B
REF
RX (BB) 4
3
2
1
+5 VDC
RX1
S22-8
TX1
1
2
Unused 1
Strap 1B - 8B
RS-232 (2 Data Ports = RS-232 Port)
TX (BA) 2
Input
Only
Switched
To Data
Buses
Input
Only
Switched
To Data
Buses
RX (BB)
TX (BA)
(CF)
(CA)
To External
Equipment
TTL
PORT
DATA
DATA
DATA
DATA
DATA
DATA
+5 VDC
Buses A-F
To Other
Data Ports
Data Port 1
RS232
Strap
1A - 8A
Data Port 2
RS-232
Strap
1A - 8A
Unused
Two ports are required for each RS-232, if the CA and
CF leads are to be used. For bridging application, put
BB and BA on same bus; CA and CF on same bus. For
summing application, put output BB port on BA bus; put
output CA port on CF bus.
17
RS-232 RS-422
RS-232
RS-422
RS-422
RS-232
RS-422
RS-232
F
IG
. 5 - S
WITCH
S
ETTING
D
IAGRAM
FOR
RS-232 A
PPLICATION
(F
ULL
-D
UPLEX
)