MN3000100022
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2.2 Pin Assignment
This USB to RS-22/485 Serial Adapter uses male DB9 connectors. Pin
assignments are show in the following
Male DB9 Connector: Device-side Pin Assignments:
Pin
Transmission Signals
RS-422
4-Wire RS-485
2-Wire RS-485
1
Tx-
Tx-
D-
2
Tx+
Tx+
D+