---
product_id: 14312227
title: "USB to Isolated RS-422/485 Converter with Terminal Block"
brand: "b&b electronics"
price: "$279.66"
currency: USD
in_stock: true
reviews_count: 7
url: https://www.desertcart.us/products/14312227-usb-to-isolated-rs-422-485-converter-with-terminal-block
store_origin: US
region: United States of America
---

# Isolated Power ROHS Compliant USB Type B USB to Isolated RS-422/485 Converter with Terminal Block

**Brand:** b&b electronics
**Price:** $279.66
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect with Confidence!

## Quick Answers

- **What is this?** USB to Isolated RS-422/485 Converter with Terminal Block by b&b electronics
- **How much does it cost?** $279.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/14312227-usb-to-isolated-rs-422-485-converter-with-terminal-block)

## Best For

- b&b electronics enthusiasts

## Why This Product

- Trusted b&b electronics brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Enhanced Safety:** Isolated RS-422/485 design protects against electrical interference.
- • **Visual Feedback:** LED indicators for real-time status monitoring.
- • **Eco-Friendly Choice:** ROHS compliance ensures a greener footprint.
- • **User-Friendly Setup:** Includes a terminal block for straightforward wiring.
- • **Seamless Connectivity:** Easily connect your devices with a USB Type B interface.

## Overview

The B&B USB to Isolated RS-422/485 Converter with Terminal Block offers a reliable and safe solution for serial communication, featuring a USB Type B female connection, robust isolation for electrical safety, and easy installation with a terminal block. Plus, it's ROHS compliant, making it an eco-conscious choice for modern professionals.

## Description

these Compact, Isolated Usb To Rs-232 And Usb To Rs-422, And Rs-485 Converters Allow You To Add An Asynchronous Serial Port To Your Usb Only Pc. The Built In 2 Kv Isolation Protects Your Port From Dangerous Ground Loops. They Are Perfect For Connecting To Remote Devices Or Programming Ports In Field Service Applications. They Are Usb 2.0 Compatible. Model Uso9ml2 Is The Rs-232 Version And Supports Hand Shake Signals As Well As Data At Speeds Up To 460.8 Kbps. Model Usoptl4 Is The Rs-422 And Rs-485 Version And Supports Data Rates Up To 460.8 Kbps. Rs-485 2-wire And 4-wire Modes Are Selected Using A Dip Switch. If You Don't Need Isolation, Use Model Usptl4. Windows Operating Systems Up To Windows 7 (32 And 64 Bit) Are Supported. The Usoptl4 Is Equipped With Our Signature High Retention Usb Port. The Rs-422/485 Versions Have A Removable Terminal Block. Need A Strain Relief For Your Rs-422 Or Rs-485 Cable? Check Out The Accessories Tab For Our Tb5p508sr-2pk.

## Features

- B&b Usb To Isolated 422/485 W/plug Term Block And Leds - Terminal Block Serial - 1 X Type B Female Usb - Rohs Compliance

## Product Details

- **Compatible Devices:** PC, Laptop
- **Specific Uses For Product:** personal
- **Connector Type:** USB Type B
- **Color:** Blue
- **Item dimensions L x W x H:** 1.9 x 5.5 x 6 inches

## Images

![USB to Isolated RS-422/485 Converter with Terminal Block - Image 1](https://m.media-amazon.com/images/I/51T0H0+LVrL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice job!
*by A***. on June 7, 2017*

Product was as described and arrived timely. Other than that it performs as one would expect. Nice job!!

### ⭐⭐⭐⭐⭐ Works great
*by B***T on July 4, 2018*

Perfect for sniffing Bacnet and Modbus networks.

### ⭐⭐⭐⭐⭐ excellent device
*by O***R on January 18, 2014*

This isvthe best 485 converrter on the market. Im going to recommend these for all my instrument technicians and engineers

## Frequently Bought Together

- USB to Isolated RS-422/485 Converter with Terminal Block
- Amazon Basics USB-A to USB-B 2.0 Cable for Printer or External Hard Drive, Computer Compatible, Gold-Plated Connectors, Black, 6 Foot

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/14312227-usb-to-isolated-rs-422-485-converter-with-terminal-block](https://www.desertcart.us/products/14312227-usb-to-isolated-rs-422-485-converter-with-terminal-block)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-10*