LINDY UTS-485, UTS-422 User Manual

User’s Manual

USB to RS-422 & RS-485 Converter

Introduction

This converter is designed to make massive data communication become quick and simple
through an USB port of PC. By taking the advantage of the feature of USB port and Serial port,
it provides an easier and more convenient connectivity than ever for efficient and friendly
interaction between RS-422 or RS-485 devices and your computer systems.
The interface of RS-422 and RS-485 are very common adopted in data acquisition world. Both
standards feature reliable performance of full-duplex or half-duplex multi-drop communication
network with faster data rates and longer communication distance than RS-232. Application
devices include telecommunication units, LAN, data concentration, data multiplexers, ISDN, POS,
industrial controls, etc.

Features

 Connectivity of RS-422 or RS-485 devices and PC through USB port
 Short Circuit and over-current protection
 Plug and play and hot-swapping
 No external power supply is required
 Supports data transmission at high rates over long distance (4,000 Ft.)
 Isolation protected
 Nullifies the effects of ground shifts and noise signals of the voltages on a network
 Supports USB 1.1 at full rate speed up to 12 Mbps
 Supports Windows 98/ME/2000/XP/VISTA, Mac OS 8.6/9.X/10.X and Linux

Specification

Compliant USB Version

Connector

Model No. UTS-485 UTS-422

Chipset

Interface

Data Speed

Selection Mode

Upstream
Device

Power Mode

Cable Length

Housing

RS-485 RS-422

FTDI

USB 1.1

Min. 3 Mbps

Auto

USB Type A Male

DB-9 Pin Male*1

Bus

1M

PVC Molding

Drive r Ins tallat io n

1.

Please plug the UTS-422 or UTS-485 converter into the USB port of PC first.

2.

Insert the driver CD into the CD-ROM drive of your computer. The setup p rogram wi ll begin to

run automatically.

3.

If it’s the first time you install the driver of USB to Serial device, you will need to install the driver
twice. One is for the device under Universal Serial Bus Controller; the other is for COM port.

You will be prompted by following screen dialogs to complete the work.

1.

What do you want Windows to do?

-

2.

Searching locations for new driver