StarTech.com · ICUSB234854I

StarTech ICUSB234854I 4-Port Industrial USB to RS-232/422/485 Serial Adapter

4-Port Industrial USB to RS-232/422/485 Serial Adapter for professional IT, AV or industrial connectivity applications.

Quick answer: ICUSB234854I converts one USB connection into four configurable RS-232, RS-422 or RS-485 serial ports.

Best forIndustrial automation, sensors, barcode scanners, LED signage and control equipment requiring several serial protocols.

Check before orderingConfirm the serial protocol and wiring mode for every device, plus driver support, DB9 pinout and mounting space.

Answers before you buy

What is StarTech ICUSB234854I?

It is a industrial multi-protocol serial adapter that converts one USB connection into four configurable RS-232, RS-422 or RS-485 serial ports.

Which connectors are provided?

1 × USB 2.0 Type-B female; 4 × DB9 male

What performance is specified?

Up to 921.6Kbps; RS-232/422/485; 7/8 data bits; 1/2 stop bits

How is it powered?

USB host connection; no external power adapter is listed

Which serial modes can each port use?

The adapter supports RS-232, RS-422, 4-wire RS-485 and 2-wire RS-485 operating modes.

What industrial mounting hardware is supplied?

A built-in wall-mounting bracket and DIN-rail mounting kit are listed.

What should be checked before ordering?

Confirm the serial protocol and wiring mode for every device, plus driver support, DB9 pinout and mounting space.

What warranty applies?

ICUSB234854I 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.

(ICUSB234854I)

Features & highlights

Why choose ICUSB234854I?

?Purpose-built connectivity1 × USB 2.0 Type-B female; 4 × DB9 male

?Specified performanceUp to 921.6Kbps; RS-232/422/485; 7/8 data bits; 1/2 stop bits

?Power arrangementUSB host connection; no external power adapter is listed

?Construction and deploymentIP30 steel housing; wall bracket and DIN-rail kit; 15kV ESD protection

?Key capabilityFour selectable serial operating modes: RS-232, RS-422, 4-wire RS-485 and 2-wire RS-485.

?Installation advantageScrew-locking USB-B host connection helps prevent accidental cable disconnection.

Compatibility reminder: Confirm the serial protocol and wiring mode for every device, plus driver support, DB9 pinout and mounting space.

Technical specifications

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

Warranty Information
Warranty	2 Years
Hardware
Bus Type	USB 2.0
Chipset	FTDI FT4232H
Ports	4
Port Style	External hub
Enclosure	IP30-rated steel
Performance
Serial Protocol	RS-232 / RS-422 / RS-485
Maximum Baud Rate	921.6Kbps
Operating Modes	RS-232, RS-422, 4-wire RS-485, 2-wire RS-485
Surge Protection	15kV ESD
Buffer	2KB
Connectors
Host	1 × USB Type-B female
Serial	4 × DB9 male
Environmental
Operating Temperature	0°C to 55°C
Storage Temperature	-20°C to 85°C
Humidity	595% RH
Physical Characteristics
Dimensions	128 × 116 × 25mm
Weight	382g
Colour	Black
What's in the Box
Included	USB serial hub; 2m screw-locking USB cable; DIN-rail kit; instruction manual

Sources: https://www.devicedeal.com.au/startech-4-port-industrial-usb-to-rs-232-422-485-s and https://www.startech.com/

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.