1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation
StarTech ID: ICUSB422IS
The ICUSB422IS 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation connects to a
computer using USB and allows you to connect any RS-422 or RS-485 serial device via the provided DB9 port
or hard-wired to the terminal block.
The USB to serial adapter features circuit isolation to ensure that sensitive controls and devices will not be
damaged while connected, making it a viable solution for connecting costly industrial serial devices.
The RS422/485 Converter receives full power via the host USB connection, and provides power to the attached
serial device without requiring an external power adapter. Designed to provide a durable serial solution, the USB
to RS422/485 Converter is ruggedly constructed and can be mounted nearly anywhere.
Backed by a StarTech.com 2-year warranty and free lifetime technical support.
Applications
POS (credit/debit card readers, receipt printers, bar code scanners, cash registers, scales)
Manufacturing (CNC machinery, process control equipment, bar code scanners, serial printers)
Hotel Front Desk (serial printers, bar code scanners, keyboard, mouse, receipt printer, credit/debit card
reader)
Hospitality/Restaurant (credit card/debit card reader, serial printers)
Hospital (monitoring equipment, nurses' stations)
Security (UPS control, access key panels, video cameras, card readers)
www.startech.com
1 800 265 1844
Features
Provides one RS422/485 port while powering the device through USB
RS-485 mode supports Auto Transceiver Turn Around (ATTA)
Compatible with both USB 2.0 and USB 1.1
RS422/485 Baud rate up to 921.6 Kbps
Supports DB9 and terminal block connector
Optical Isolation and Surge Protection (2500 Vrms)
Supports 4-wire RS422 and 2-wire RS485 applications
www.startech.com
1 800 265 1844
Technical Specifications
Warranty 2 Years
Cable Length 6 ft [1.8 m]
Color Black
Enclosure Type Steel
Product Height 0.9 in [23 mm]
Product Length 4.6 in [118 mm]
Product Weight 6.4 oz [180 g]
Product Width 2.5 in [64 mm]
Bus Type USB 2.0
Chipset ID FTDI - FT232RL
Interface Serial
Port Style External Hub
Ports 1
Data Bits 7, 8
FIFO 256 Bytes
Isolation 2500 Vrms
Max Baud Rate 921.6 Kbps
Parity Even, Odd, Mark, Space, None
Serial Protocol RS-422/485
Stop Bits 1, 2
Surge Protection 500W
Connector Type(s) 1 - USB B (4 pin) Female
External Ports 1 - DB-9 (9 pin; D-Sub) Male
External Ports 1 - Terminal Block (5 Wire)
OS Compatibility Windows® 10 (32/64), 8 / 8.1 (32/64), 7 (32/64), Vista (32/64), XP (32/64), 2000, 98SE,
XP Embedded, CE (4.2+)
Windows Server® 2012, 2008 R2, 2003
Mac OS® 10.x (tested up to 10.11)
Linux 2.4.x / 2.6.x
Input Current 200mA
Input Voltage 5 DC
Power Source USB-Powered
Humidity 5~95% RH
Operating 0°C to 55°C (32°F to 131°F)
www.startech.com
1 800 265 1844
Temperature
Storage Temperature -20°C to 85°C (-4°F to 185°F)
Shipping (Package)
Weight
0.9 lb [0.4 kg]
Included in Package 1 - USB to RS422/485 Converter
Included in Package 1 - 6ft USB A to B Cable
Included in Package 1 - Driver CD
Included in Package 1 - User Manual
Certifications, Reports and Compatibility
www.startech.com
1 800 265 1844
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