antaira UTS-402CK Industrial 2-Port RS-232/422/485 to USB 2.0 High Speed Converter Installation Guide

antaira UTS-402CK Industrial 2-Port RS-232/422/485 to USB 2.0 High Speed

Converter

Introduction

Thank you for purchasing this 2-Port RS232/422/485 Combo Serial to USB Adapter. It is an intelligent expansion module that connects to a PC or server via the Universal Serial Bus (USB), providing high-speed serial connectivity. The serial ports are fully compatible with RS232/422/485 standard by the bundled virtual COM port drivers. With its rigid metal case and USB Screw Lock Mechanism, it is an ideal solution for most critical applications.

Connector Layout

Features:

• Provides 2 RS232/422/485 Serial Ports over USB Port
• Provides 2 DSUB-9 Connectors
• Supports USB2.0 High Speed (480Mbps) Data Rate
• Supports USB Screw Lock Mechanism Enhances Reliability
• Baud Rate from 300 bps to 921.6Kbps
• Supports 7,8 Data Bits
• Odd, Even, Mark, Space, or None parity mode
• Supports 1, or 2 Stop Bits
• Supports USB Bus Power
• Optional Model Supports 2,500Vrms Isolation and 15KV ESD Protection
• Supports Win98, Me, XP, CE, 2K, 2K3, Vista and Windows 7

Mode Switch Settings

There are two 4-pin DIP switches on the back side of the box for Port 1 and Ports 2. Each of them has 4 switch pins on it. Pin 1 to 2 (marked as M1 and M0) were used to set the RS232, RS422 or RS485 modes. The Pin 3 and 4 (marked as TERM ON) are used to Enable(ON) or Disable(OFF) the termination resistors for RS422/485 modes.

Mode Settings:

The image above shows how the TERM ON pins modifies the circuit The TERM ON pins can apply 1K pull-up & pull-down resistors

Installing Drivers

The RS-232 Multi Serial Adapter can be hot-plugged to the USB port of your computer due to the specifications of USB. It supports the following operating systems. The drivers are shipped in the following folder on the supplied driver CD.

1. Driver Locations on the CD
   These instructions are for installing the drivers from the CD supplied with the product. If you are installing drivers for Win98, ME, 2000 or XP, when prompted for the location of the drivers, specify your CD-ROM drive and the locations according to the following table:

2. Installing Serial Port Drivers for Win98, ME, 2000,XP

   • Insert the Driver CD supplied with the Adapter
   • Connect the USB cable, the “Add New Hardware Wizard” appears. Click Next.
   • Select “Search for the best driver for your device” and click Next.
   • Click Next. Windows will then copy the driver files.
   • Click Finish to complete the driver installation.
   • After installing the drivers, Windows will detect the new COM ports and will begin to initialize them. Your new COM ports, numbered sequentially following the existing ports in your system, and they are now ready!

RS232 Mode Male DB9 Pin Assignments

RS422/485 Modes Male DB9 Pin Assignments

RS422 Cable Wiring:

RS485 (2-wire) Cable Wiring:

Environmental Specifications

• Power requirements: 5V DC, 385mA (max)
• Operating temp.: 0 to 55°C (32 to 131°F)
• Operating humidity: 5 to 95% RH

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