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Thank you for purchasing this RS422/485 to USB Serial Adapter Cable. 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 RS485 port supports Auto-Transceiver-Turn-Around feature to 

support any kind of application software controlling the transmitter 

driver. With its complete software kit, it is an ideal solution for most 

critical applications. 

Features: 

 

Provides one RS422/485 Port over USB Port 

 

Supports 4-wire RS-422 and 2-wire RS-485 applications 

 

Supports RS-485 Auto Transceiver Turn Around by Unique Featured 

ATTA

TM 

Hardware 

 

Supports USB Bus Power 

 

RS422/485 Baud Rate up to 921.6Kbps 

 

USB1.1 and USB2.0 Backward Compatible 

 

Supports DB9-Male Connector 

 

Hot Swappable and Plug-and-Play Features 

 

Compact Size for Critical Applications 

 

Supports Win98S, ME, 2000, XP, 2003, Vista, Linux 

 

 

 

RS422/485 to USB Serial Adapter Cable 

Installation Guide 

1. Introduction 

From USB 
Host Port 

To RS422/485 Devices 

Summary of Contents for UTS-1458B

Page 1: ...n ideal solution for most critical applications Features Provides one RS422 485 Port over USB Port Supports 4 wire RS 422 and 2 wire RS 485 applications Supports RS 485 Auto Transceiver Turn Around by Unique Featured ATTATM Hardware Supports USB Bus Power RS422 485 Baud Rate up to 921 6Kbps USB1 1 and USB2 0 Backward Compatible Supports DB9 Male Connector Hot Swappable and Plug and Play Features C...

Page 2: ...Disabled TERM Termination Resistor is Enabled 4 None Blank OFF ON OFF Reserved for Future Use ON Reserved for Future Use Please note that if the mode were set at 422 mode the ECHO setting will take no effect The Echo mode is useful for the application program to detect if the RS485 bus were in a collision If the echoed data was not equal to the transmitted data then the bus was in a collision 1 Pl...

Page 3: ...responding folder on the supplied driver CD If you are installing drivers for Win98 ME 2000 2003 XP or Vista when prompted for the location of the drivers specify your CD ROM drive and the locations according to the following folder list DB9 Male Pin Assignment 4 Installing Drivers 5 Male DB9 Pin Assignments and Cable Wiring NC No connection 1 5 6 9 9 Pins Signal 1 TXD DATA 2 TXD DATA 3 RXD 4 RXD ...

Page 4: ...ing Humidity Storage Temperature USB type A DB9 Male USB 1 RS422 485 TXD TXD RXD RXD GND DATA DATA GND 300 bps to 921 6Kbps 7 8 1 2 None Even Odd Mark Space 5V 110mA USB Bus Powered 0 to 55 C 32 to 132 F 5 to 95 RH 20 to 85 C 4 to 185 F DB9 RS422 to USB Cable 1 TXD 2 TXD 3 RXD 4 RXD 5 GND RS422 Device 1 TXD 2 TXD 3 RXD 4 RXD 5 GND 6 Specifications DB9 485 to USB Cable 1 DATA 2 DATA 3 NC 4 NC 5 GND...

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