Vecow SPC-5600, User Manual

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15 ©Vecow SPC-5600 User Manual GETTING TO KNOW YOUR SPC-5600
The pin assignments are listed in the following table :
Serial
Port
Pin No. RS-232
RS-422
(5-wire)
RS-422
(9-wire)
RS-485
(3-wire)
1, 2
1 DCD TXD- TXD- DATA-
2 RXD TXD+ TXD+ DATA+
3 TXD RXD+ RXD+ -----------
4 DTR RXD- RXD- -----------
5 GND GND GND GND
6 DSR ----------- RTS- -----------
7 RTS ----------- RTS+ -----------
8 CTS ----------- CTS+ -----------
9 RI ----------- CTS- -----------