Log in / register My Account
$0.00
Brainboxes

Brainboxes US-346 4-port Serial Hub

$336.50
$277.57 SAVE $58.93
None availableas of 03/30/2026

Ships when available. Free shipping on most items when you spend $100 or more.

Special orders typically ship in 1-12 weeks.

Compliance, certifications and origin

  • RoHS
  • WEEE
  • Origin: United Kingdom
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Protect this device

Plans are optional and can be left off. Your order is unchanged unless you add one.

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

USB to Serial server providing four RS422/485 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 256 byte receive FIFOS, coupled with 1Mbit line drivers deliver uncompromising performance on your laptop/PC.

Drivers for Windows 32 bit and 64 bit Operating Systems including Windows XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8 with additional drivers for both Mac OS X and Linux.

Technical specifications

General Information

Manufacturer Brainboxes Limited
Manufacturer Part Number US-346
Manufacturer Website Address http://www.brainboxes.com
Brand Name Brainboxes
Product Model US-346
Product Name 4 Port RS422/485 USB to Serial Server
Product Type Multiport Serial Adapter

Technical Information

Host Interface USB 2.0
Platform Supported PCLinuxMac

Interfaces/Ports

Number of Serial Ports 4

Physical Characteristics

Form Factor DIN Rail MountableWall-mountable
Height 1.3"
Width 8.5"
Thickness 4.8"
Weight (Approximate) 1.49 lb

Miscellaneous

Package Contents
  • 4 Port RS422/485 USB to Serial Server
  • Installation CD Including Manual
  • Microsoft Signed Drivers & Utilities
Green Compliant Yes
Country of Origin United Kingdom
Environmental Compliance Restriction of Hazardous Substances (RoHS)Waste Electrical and Electronic Equipment Directive (WEEE)

Warranty

Limited Warranty Lifetime

Ratings and reviews

Do you own the Brainboxes US-346?

Be the first to write a review.

Displaying 1-10 of 70

Accessories

Similar products you might also like

Serial & Parallel Adapters

Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Special order item. This item ships direct from the manufacturer and cannot be cancelled once ordered. If you have any questions before ordering, ask us first: chat with us or call 1-800-692-8757.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.