Vecow SPC-6000 User Manual page 28

2.4.10 CN2, CN3 : Serial Port
CN2 and CN3 can be configured for RS-232, RS-422, or RS-485 with auto flow
control communication. The default definition is RS-232, if you want to change
to RS-422 or RS-485, you can find the setting in BIOS.
The pin assignments are listed in the following table :
Serial
Port
CN2
CN3
©Vecow SPC-6000 User Manual
CN3
CN2
Pin No. RS-232
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
RS-422 RS-422
(5-wire) (9-wire)
TXD- TXD-
TXD+ TXD+
RXD+ RXD+
RXD- RXD-
GND GND
-------- RTS-
-------- RTS+
-------- CTS+
-------- CTS-
GETTING TO KNOW YOUR SPC-6000
RS-485
(3-wire)
DATA-
DATA+
--------
--------
GND
--------
--------
--------
--------
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