StarTech.com · ICUSB422IS

StarTech ICUSB422IS 1-Port Isolated USB to RS-422/485 Serial Adapter

1-Port Isolated USB to RS-422/485 Serial Adapter for professional IT, AV or industrial connectivity applications.

Quick answer: ICUSB422IS connects one RS-422 or RS-485 device by DB9 or five-wire terminal block through USB.

Best forIndustrial controls and sensitive serial equipment requiring electrical isolation and flexible DB9 or terminal-block wiring.

Check before orderingConfirm RS-422 or RS-485 signalling, terminal pinout, grounding, isolation requirements and operating-system driver support.

Answers before you buy

Frequently asked questions

What is StarTech ICUSB422IS?

It is a isolated industrial serial adapter that connects one RS-422 or RS-485 device by DB9 or five-wire terminal block through USB.

Which connectors are provided?

1 × USB Type-B female; 1 × DB9 male; 1 × five-wire terminal block

What performance is specified?

Up to 921.6Kbps; 2500Vrms isolation; 500W surge protection

How is it powered?

USB powered, 5V DC / 200mA input

What isolation protection is provided?

The specification lists 2500Vrms isolation and 500W surge protection.

Can the serial device be hard-wired?

Yes. A five-wire terminal block is provided in addition to the DB9 serial port.

What should be checked before ordering?

Confirm RS-422 or RS-485 signalling, terminal pinout, grounding, isolation requirements and operating-system driver support.

What warranty applies?

ICUSB422IS carries a StarTech.com 2-year manufacturer warranty, subject to the manufacturers terms and eligibility requirements.

Planning a broader setup? Browse the DeviceDeal buying guides.

(ICUSB422IS)

Features & highlights

Why choose ICUSB422IS?

?Purpose-built connectivity1 × USB Type-B female; 1 × DB9 male; 1 × five-wire terminal block

?Specified performanceUp to 921.6Kbps; 2500Vrms isolation; 500W surge protection

?Power arrangementUSB powered, 5V DC / 200mA input

?Construction and deploymentSteel enclosure with 1.8m USB cable

?Key capability2500Vrms circuit isolation helps protect sensitive controls and attached serial equipment.

?Installation advantageThe attached device can connect by DB9 or be hard-wired through the five-wire terminal block.

Compatibility reminder: Confirm RS-422 or RS-485 signalling, terminal pinout, grounding, isolation requirements and operating-system driver support.

StarTech ICUSB422IS 1-Port Isolated USB to RS-422/485 Serial Adapter product image

Technical specifications

ICUSB422IS specifications

Exact-model specifications for compatibility checking. Measurements may be rounded.

Warranty Information
Warranty	2 Years
Hardware
Bus Type	USB 2.0
Chipset	FTDI FT232RL
Ports	1
Interface	Serial
Enclosure	Steel
Performance
Serial Protocol	RS-422 / RS-485
Maximum Baud Rate	921.6Kbps
Isolation	2500Vrms
Surge Protection	500W
FIFO	256-byte receive / 128-byte transmit
Connectors
Host	1 × USB Type-B female
Serial	1 × DB9 male; 1 × five-wire terminal block
Power
Input	5V DC, 200mA
Power Source	USB powered
Environmental
Operating Temperature	0°C to 55°C
Storage Temperature	-20°C to 85°C
Humidity	595% RH
Physical Characteristics
Cable Length	1.8m
Dimensions	118 × 64 × 23mm
Weight	180g
What's in the Box
Included	USB-to-RS422/485 converter; 1.8m USB-A to USB-B cable; driver CD; user manual

Sources: https://www.devicedeal.com.au/startech-1-port-usb-to-serial-rs422-485-adapter and https://www.startech.com/

SKU	ICUSB422IS
Barcode #	65030830683
Brand	STARTECH
Shipping Weight	0.3800kg
Shipping Width	0.100m
Shipping Height	0.050m
Shipping Length	0.200m
Shipping Cubic	0.001000000m3

Manufacturer warranty

2 Years

This Australian-version product is supplied by DeviceDeal and is covered by the 2-year manufacturer warranty term listed for this exact product.

Keep your DeviceDeal tax invoice as proof of purchase.
Coverage is subject to StarTech.com warranty terms, eligibility and product assessment.
Warranty service does not replace rights that may apply under Australian Consumer Law.