Moxa MC-7130-MP [17/46] Connecting to a serial device

MC-7130-MP Series Hardware Connection Description

3-4

The LED indicator

s on the right-top (for the upper LAN connector) and right-bottom

(for the lower LAN connector)

corners glow a solid green color when the cable is

prope

rly connected to a 100 Mbps Ethernet network. The LED will flash on and off

when Ethernet packets are being transmitted or received.

The LED indicator

s on the left-top and left-bottom corners glow a solid yellow color

when the cable is properly connected to a 10

Mbps Ethernet network. The LED will

flash on and off when Ethernet packets are being transmitted or received.

Pin 10/100 Mbps 1000 Mbps

1 ETx+ TRD(0)+

2 ETx- TRD(0)-

3 ERx+ TRD(1)+

4 --- TRD(2)+

5 --- TRD(2)-

6 ERx- TRD(1)-

7 --- TRD(3)+

8 --- TRD(3)-

Connecting to a Serial Device

The serial ports use DB9 connectors. COM1 and COM2 can run with RS-232, and COM3 and COM4 run with

RS-232, RS-422, or RS-485. The pin assignments are shown in the following table:

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 – – –

Additionally, eight NMEA serial ports with terminal blocks are also available on the rear panel of the computer.

Refer to the following figures for the location of the NMEA ports and the pin assignments.