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Industrial 4 port serial hub 15kV Level 4 ESD - IP30 rating metal USB to serial adapter converter w/ each DB9 port set to RS232/RS422/RS485(2wire/4wire) baud rates up to 921.6Kbps - Desk/wall/DIN rail mount - 6ft USB cable - 12V power adapter/5V USB
MSRP$294.16
$284.61
Save 3%Special order — estimated available by September 29, 2026.
Genuine StarTech.com through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
Add four extra COM ports to your laptop or desktop computer, quickly and easily. This USB to RS232/422/485 serial adapter lets you connect to your serial devices through an external USB port. Supports multiple serial protocols The versatile serial adapter converts a single USB port into four RS232/RS422/RS485 serial ports, enabling you to connect, monitor, and control a wide range of serial devices, such as sensors, barcode scanners, and LED signage. It supports four operating modes, including RS232, RS422, 4-wire and 2-wire RS485. Ideal for harsh environments With its rugged IP30-rated metal hub housing, the serial adapter is built to meet the extreme demands of harsh and mission-critical environments. It provides 15 kV ESD protection, which helps to reduce downtime in industrial environments where communications lines are more prone to noise emissions or sudden spikes in voltage. The serial adapter offers flexible mounting options, with a built-in wall-mounting bracket and included DIN rail mounting kit. It also features a screw-locking host connection plus a screw-locking USB-B connector on the included USB cable, to prevent accidental disconnections. Fast data transfers The serial adapter is equipped with high-speed UARTs, providing fast data rates of up to 921Kbps in RS232/422/485operating modes. The ICUSB234854I is backed by a StarTech.com 2-year warranty and free lifetime technical support. More from the Manufacturer More from the Manufacturer
Add four extra COM ports to your laptop or desktop computer, quickly and easily. This USB to RS232/422/485 serial adapter lets you connect to your serial devices through an external USB port.
Supports multiple serial protocols
The versatile serial adapter converts a single USB port into four RS232/RS422/RS485 serial ports, enabling you to connect, monitor, and control a wide range of serial devices, such as sensors, barcode scanners, and LED signage. It supports four operating modes, including RS232, RS422, 4-wire and 2-wire RS485.
Ideal for harsh environments
With its rugged IP30-rated metal hub housing, the serial adapter is built to meet the extreme demands of harsh and mission-critical environments. It provides 15 kV ESD protection, which helps to reduce downtime in industrial environments where communications lines are more prone to noise emissions or sudden spikes in voltage.
The serial adapter offers flexible mounting options, with a built-in wall-mounting bracket and included DIN rail mounting kit. It also features a screw-locking host connection plus a screw-locking USB-B connector on the included USB cable, to prevent accidental disconnections.
Fast data transfers
The serial adapter is equipped with high-speed UARTs, providing fast data rates of up to 921Kbps in RS232/422/485 operating modes.
The ICUSB234854I is backed by a StarTech.com 2-year warranty and free lifetime technical support.
Limited Warranty: 2 Year
The StarTech.com Advantage We simplify the lives of IT Professionals by making it easy to find the connectivity accessories and information they need and getting products to their project sites quickly. StarTech.com products are designed by IT pros, for IT pros, to meet their rigorous technical performance requirements. Who We Are While we may manufacture IT connectivity accessories, StarTech.com is truly in the business of making the lives of IT professionals easy. Founded in 1985 in London, Ontario, Canada by Paul Seed and Ken Kalopsis, StarTech.com has always been dedicated to solving technology problems faced by IT professionals. Originally known as StarTech Computer Accessories, the company had very humble beginnings as a “Visa Card” funded operation, manufacturing products like computer dust covers in the basement of a house. By focusing on the needs of our customers and continual innovation, StarTech.com has evolved into a global organization offering accessories that support over 200 different technologies, from legacy to the latest. StarTech.com Founder and CEO, Paul Seed’s dedication to making IT solutions easy to implement has not wavered, nor has his passion for the community. From individual contributions to organization wide campaigns, StarTech.com is committed to staying connected to the community and supporting non-profit organizations across the globe.
| General Information | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | ICUSB234854I |
| Brand Name | StarTech.com |
| Product Name | USB Serial Hub |
| Packaged Quantity | 1 |
| Product Type | Serial Hub |
| Interfaces/Ports | |
| Number of Serial Ports (External) | 4 |
| Physical Characteristics | |
| Form Factor | External |
| Height | 1" |
| Width | 4.6" |
| Weight (Approximate) | 13.50 oz |
| Technical Information | |
| Host Interface | USB |
| Platform Supported | PC, Linux |
| Warranty | |
| Limited Warranty | 2 Year |
| Miscellaneous | |
| Package Contents |
|
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS), Waste Electrical and Electronic Equipment Directive (WEEE), Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) |
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
Matched on USB · Serial Hub
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