1 Port Metal Industrial USB to RS422/RS485 Serial
Adapter w/ Isolation
Product 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.
www.startech.com
1 800 265 1844
Certifications, Reports
and Compatibility
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)
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
Warranty 2 Years
Hardware Bus Type USB 2.0
Chipset ID FTDI - FT232RL
Interface Serial
Port Style External Hub
Ports 1
Performance 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(s) Connector Type(s) 1 - USB B (4 pin) Female
External Ports 1 - DB-9 (9 pin, D-Sub) Male
1 - Terminal Block (5 Wire)
Software OS Compatibility Windows® CE (4.2, 5.0, 6.0), XP Embedded, 98SE, 2000,
XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016
Mac OS® 10.6 to 10.12
Linux 2.4.x to 4.4.x LTS Versions only
Power Input Current 200mA
Input Voltage 5 DC
Power Source USB-Powered
Environmental Humidity 5~95% RH
Operating Temperature 0°C to 55°C (32°F to 131°F)
Storage Temperature -20°C to 85°C (-4°F to 185°F)
Physical
Characteristics
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]
www.startech.com
1 800 265 1844
Product Weight 6.4 oz [180 g]
Product Width 2.5 in [64 mm]
Packaging
Information
Shipping (Package) Weight 0.9 lb [0.4 kg]
What's in the Box Included in Package 1 - USB to RS422/485 Converter
1 - 6ft USB A to B Cable
1 - Driver CD
1 - User Manual
Product appearance and specifications are subject to change without notice.
www.startech.com
1 800 265 1844
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