User Manual

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Software Installation Information
The Documentation and software CD contains the user’s manual, NPort
Search Utility, and the PComm Lite Suite. Insert the CD into your
computer’s CD-ROM drive 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 Assignment (male DB9)
Pin RS-232
RS-422
4-wire RS-485
2-wire
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
–
–
–
Two serial cables for connecting the NPort 6150 to a serial device can be
purchased separately. The wiring diagrams for the two cables are shown
below.