User manual
Documentation Number 3PCI-MIPort -1008qsg PN6411-rev001
International Headquarters: 707 Dayton Road PO Box 1040 Ottawa, IL 61350 USA
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Documentation Number 3PCI-MIPort-1008qsg PN6411-rev001
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See Chapter 9 and Appendix C of the manual for more
details.
□ Connect TD(A) to RD(A) and TB(B) to RD(B). See
step 9 for pinout.
□ Install and run Comtest (included with the CD).
□ Open the COM number that was created in step 3
for each port and send data.
□ If you are able to receive data, installation is
complete. If not, double check the installation.
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See Chapter 9 and Appendix C of the manual for more
details.
□ Install Comtest (included with the CD).
□ For multi-port models, cross connect one port to
another and run separate instances of Comtest for
each port. If you are able to send and receive data,
installation is complete. If not, double check the
installation.
□ For the single-port model, communicate with an
external device or test the port in RS-232 or RS-
422/485 4-wire mode.
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Name Direction DB9M Pin
DCD Input 1
RD Input 2
TD Output 3
DTR Output 4
GND
------
5
DSR Input 6
RTS Output 7
CTS Input 8
RI Input 9
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Name Direction DB-9M Pin
RD(A) − Input 1
TD(B) + Output 2
TD(A) − Output 3
GND ------ 5
RD(B) + Input 9