User Manual

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Software Installation Information
The Document & Software CD contains the User’s Manual, NPort Search
Utility, and the PComm Lite Suite. Insert the CD and follow the on-screen
instructions. Please refer to the User’s Manual for additional details on
using the NPort Search Utility and PComm Lite.
Pin Assignments and Cable Wiring
RS-232/422/485 Pin Assignments (male DB9)
Pin RS-232
RS-422/
4W RS-485
2W RS-485
1
DCD
TxD-(A)
–
2
RXD
TxD+(B)
–
3
TXD
RxD+(B)
Data+(B)
4
DTR
RxD-(A)
Data-(A)
5
GND
GND
GND
6
DSR
–
–
7
RTS
–
–
8
CTS
–
–
9
–
–
–