Habey EMB-4500 User Manual
Page 13
COM1/COM3/COM4/COM5:
Pin
Signal Name
1、2、7、8
2
NC
3
4
COM_RXD
4
6
COM_RTS#
5
8
COM_TXD
6
10
COM_CTS#
9、10
GND
COM2: RS232/RS422/RS485, Pins define:
Pin
RS232(Default)
RS422
RS485
1
NC
TX-
DATA-
2
NC
NC
NC
3
COM_RXD
TX+
DATA+
4
COM_RTS#
NC
NC
5
COM_TXD
RX+
NC
6
COM_CTS#
NC
NC
7
NC
RX-
NC
8
NC
NC
NC
COM5、COM3
COM1
COM4、COM2
8