Moxa MPC-2240X [22/64] Connecting nmea 0183 devices

MPC-2240 Hardware Manual Hardware Connection Description

3-9

The pin assignments are shown in the following table:

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 instructions on how to set the serial port for RS-232/422/485 communications, refer to the examples

provided on the software CD.

For Windows 32-bit platforms, the examples may be found at:

<Software DVD>\example\MPC-2240\Release\UartMode

For Windows 64-bit platforms, the examples may be found at:

<Software DVD>\example\MPC-2240\x64\Release\UartMode

Connecting NMEA 0183 Devices

The MPC-2240 Series comes with eight NMEA 0183 ports on the bottom panel. Refer to the following figure for

the port location.

Pin Pin assignment

1 TxD-, Transmit Data Negative

2 TxD+, Transmit Data Positive

3 GND, Ground

4 RxD-, Receive Data Negative

5 RxD+, Receive Data Positive

6 TxD-, Transmit Data Negative

7 TxD+, Transmit Data Positive

8 GND, Ground

9 RxD-, Receive Data Negative

10 RxD+, Receive Data Positive