User's Manual

Appendix A: Connections

A.1 Serial Port Pin Outs

The pin assignment of the LS100W DB9 connector is summarized in Table A-1. Each pin has a

function according to the serial communication type configuration.

6 7 8 9

1 2 3 4 5

Figure A-1. Pin layout of the DB-9 connector

Table A-1. Pin assignment of the DB-9 connector

Pin RS232

1 -

2 Rx

3 Tx

4 DTR

5 GND

6 DSR

7 RTS

8 CTS

9 -

A.2 Serial Wiring Diagram

Tx(3)

Rx(2)

RTS(7)

CTS(8)

DTR(4)

DSR(6)

GND(5)

CTS

RTS

DSR

DTR

GND

HelloDevice

Serial Device

RS232

Figure A-2 RS232 wiring diagram