Avalue EMS-BYT User Manual download pdf (Page 15)

Quick Reference Guide

EMS-BYT Series Quick Reference Guide

15

2.1 EMS-BYT connector mapping

2.1.1 External Serial Port 1 connector (COM1)

Pin

RS-232

RS-485

RS-422

1

DCD

TXD-/RXD-

TXD-

2

RXD

TXD+/RXD+

TXD+

3

TXD

RXD+

4

DTR

RXD-

5

GND

GND

GND

6

DSR

7

RTS

8

CTS

9

RI

2.1.2 External Serial Port 3/4/5/6 connector (COM3/4/5/6)

Pin

RS-232

RS-485

RS-422

1

DCD

TXD-/RXD-

TXD-

2

RXD

TXD+/RXD+

TXD+

3

TXD

RXD+

4

DTR

RXD-

5

GND

GND

GND

6

DSR

7

RTS

8

CTS

9

RI

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 43 44

Comments to this Manuals

No comments