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MULTI-MON
31-00035—01
RS-422 COMMUNICATION PORT
4 WIRE CONNECTION
Tx
Rx
-Rx
+Rx
-Tx
+Tx
Fig. 14. RS-422/485 4-wire connection.
Tx
Rx
Fig. 15. RS-232 connection.
COMPUTER CONNECTIONS RS-232
MULTI-MON
IBM PC/COMPATIBLE
RS232
25-PIN DB25
MALE CON.
FEMALE CON.
SG
GND
5
7
TxD
RxD
2
3
RxD
TxD
3
2
RS-232 SIMPLE 3-WIRE
CONNECTION 25-PIN
Fig. 16. RS-232 cable drawings.
10
Rx
TO COMMUNICATION
SYSTEM
Tx
6
7
1 2 3 4
MULTI-MON
IBM PC/COMPATIBLE
RS232
9-PIN DB9
MALE CON.
FEMALE CON.
SG
GND
5
5
TxD
RxD
2
2
RxD
TxD
3
3
RS-232 SIMPLE 3-WIRE
CONNECTION 9-PIN
M35328
M35326
8
9
5
M35327
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