Moxa MPC-2157X-T [23/65] Connecting to a serial device

MPC-2150 Hardware Hardware Connection Description

3-10

Connecting to a Serial Device

Use a serial cable to plug your serial device into the MPC-2150’s serial port. Serial ports 1 and 2 have male DB9

connectors and can be configured for RS-232, RS-422, or RS-485 communication by software. See the

following figure for the location of the serial ports.

The pin assignments are shown in the table at the top of the next page:

DB9 Male Port

-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 – – –

Connecting to a Speaker or a Headphone

The MPC-2150 comes with line-in and line-out interfaces for connecting a microphone and either speakers or

headphones. See the following figure for the location.

Connecting a PS/2 Keyboard and Mouse

Your MPC-2150 computer comes with two PS/2 connectors to connect to a PS/2 keyboard (upper connector)

and PS/2 mouse (lower connector). See the following figure for the locations.