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ShenZhen Comark Technology Co.,Ltd.
Serial Server and Gateway User Manual
Page 4
1 RS-232/485/422 Serial Port
This series of serial interfaces provides 5-Pin industrial terminals with 5.08mm spacing.
SE3012 MG3012
RS-485 Serial Port:
Pin
Pin Define
1
A
2
B
3
GND
4
—
5
—
RS-422 Serial Port:
Pin
Pin Define
1
TX+
2
TX-
3
GND
4
RX+
5
RX-
RS-232 Serial Port:
Pin
Pin Define
1
—
2
RXD
3
TXD
4
—
5
GND
6
—
7
—
8
—
9
—