SIIG ID-SC0011-S1 Quick Installation Manual

1

Introducing the RS-232 to 422/485

The RS-232 to 422/485 Converter allows RS-232 line signal
to be directly converted to RS-422 or RS-485 standard.

Features and Benefits

• Low cost

• Easy install

• Supported baud rate up to 115.2 K bps

• 15KV ESD protection

• Supports half-duplex or full-duplex

System Requirements

• Pentium

®

II or equivalent PC

• Windows

®

2000 and above

Package Contents

• RS-232 to 422/485 Converter

• DB9 to DB9 cable

• Quick Installation Guide

Serial Number Sticker

For future product return or exchange, this serial number
is require. Please keep it for your reference.

04-0483A

RS-232 to 422/485 Converter

Quick Installation Guide

2

Layout

Figure 1: Layout

DC Jack input
+5VDC

RS422/485
Signal to
Target Device

Transiting
indicate LED

RS232 signal
from host

Note: Do not connect external DC-Jack and screw
terminal DC input simultaneously.

Hardware structure

Figure 2

HALF

FULL

3

Hardware Installation

Connect the power source or use standard RS232 (TXD,
RXD, DTR, DSR, CTS, RTS, GND)

Note: Connect the power source only. Do not use
the external DC-Jack and scress terminal input
simultaneously.

Figure 3

Figure 4

Connecting RS-232 to 422/485 Converter with
host PC

Connecting RS-232 to 422/485 Converter with
RS485 serial device