Vecow EAC-5000, User Manual

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19 ©Vecow EAC-5000 User Manual GETTING TO KNOW YOUR EAC-5000/EAC-5100
2.2.1.10 COM Port
COM 1,2 can be configured for RS-232, RS-422, or RS-485 with auto flow control
communication. The default definition of COM 1 and COM2 is RS-232; but if you
want to change to RS-422 or RS-485, you can find the setting in software.
The rear D-SUB connector pin assignments are listed in the following table :
Serial
Port
Pin No. RS-232 RS-422
(5-wire)
RS-485
(3-wire)
COM1
COM2
1 ----------- TXD- DATA-
2 RXD TXD+ DATA+
3 TXD RXD+ -----------
4 ----------- RXD- -----------
5 GND GND GND
6 ----------- ----------- -----------
7 RTS ----------- -----------
8 CTS ----------- -----------
9 ----------- ----------- -----------
2.2.1.11 Console Port
System debug Port,Micro USB to UART that connects to the SOM serial
console.
Pin No. Function
1 +V5
2 USB_DATA-
3 U
4 NC
5 GND