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2.5.3 J12, J13 : RS-232/422/485 Serial Port
COM1 and COM2 can be configured for RS-232, RS-422, or RS-485. The
default definition of COM 1 and COM 2 is RS-232. To change to RS-422 or RS-
485, please refer to Section 4.4.
Pin Assignments of J12 and J13 are listed in the following table :
Serial Port
1 to 2
©Vecow EIC-1000 User Manual
Pin No.
RS-232
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
J12
J13
RS-422
TXD-
TXD+
RXD+
RXD-
GND
-----
-----
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GETTING TO KNOW YOUR EIC-1000
RS-485
DATA-
DATA+
-----
-----
GND
-----
-----
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24
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