Moxa MPC-2190X [25/70] Configuring rs 232 422 485 serial ports

MPC-2190 Hardware Hardware Connection Description

3-11

DB9 Male Port RS-232/422/485 Pinouts

Pin RS-232 RS-422 RS-485

(4-wire)

RS-485

(2-wire)

1 DCD TxDA(-) TxDA(-) –

2 RxD TxDB(+) TxDB(+) –

3 TxD RxDB(+) RxDB(+) DataB(+)

4 DTR RxDA(-) RxDA(-) DataA(-)

5 GND GND GND GND

6 DSR – – –

7 RTS – – –

8 CTS – – –

Configuring RS-232/422/485 Serial Ports

For configuring the RS-232/422/485 serial port, please go to the following path and find the configuration

example.

For the Windows 32-bit platform:

<Software DVD>\example\MPC-2190\Release\UartMode

For the Windows 64-bit platform

<Software DVD>\example\MPC-2190\x64\Release\UartMode

Select 1 to get the current UART mode; select 2 to configure the UART mode.

Enter the port number you want to configure, and then enter the mode. For RS-232 mode, enter 0; for

RS-485-2W mode, enter 1, for RS-422/RS-485-4W mode, enter 1.