---
product_id: 3977256
title: "StarTech RS422 RS485 Serial DB9 to Terminal Block Adapter, Black (DB92422)"
brand: "startech.com"
price: "€ 30.24"
currency: EUR
in_stock: true
reviews_count: 7
category: "Star Tech.Com"
url: https://www.desertcart.pt/products/3977256-startech-rs422-rs485-serial-db9-to-terminal-block-adapter-black
store_origin: PT
region: Portugal
---

# DB9 to 5-pin terminal block conversion Supports 4-wire RS422 & RS485 modes Screw-type industrial wiring standard StarTech RS422 RS485 Serial DB9 to Terminal Block Adapter, Black (DB92422)

**Brand:** startech.com
**Price:** € 30.24
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect Like a Pro — Industrial Serial Adapter for the Modern Manager

## Quick Answers

- **What is this?** StarTech RS422 RS485 Serial DB9 to Terminal Block Adapter, Black (DB92422) by startech.com
- **How much does it cost?** € 30.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/3977256-startech-rs422-rs485-serial-db9-to-terminal-block-adapter-black)

## Best For

- startech.com enthusiasts

## Why This Product

- Trusted startech.com brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Multi-Mode Compatibility:** Supports four-wire RS422, RS485, and two-wire RS485 modes to fit diverse professional setups.
- • **Compact & Lightweight Design:** At just 1.9 x 1.3 x 0.6 inches and 22.68g, it fits perfectly into tight spaces without adding bulk.
- • **Backed by StarTech Reliability:** Enjoy peace of mind with a 1-year limited warranty from a trusted brand favored by pros.
- • **Robust Industrial Wiring Standards:** Screw-type terminal blocks ensure secure, reliable connections that meet rigorous industrial requirements.
- • **Seamless Serial to Terminal Block Conversion:** Effortlessly bridge DB9 RS422/485 ports to versatile 5-pin terminal blocks for industrial-grade connectivity.

## Overview

The StarTech DB92422 adapter converts DB9 male RS422/485 serial ports to 5-pin 3.5mm terminal blocks, supporting multiple wiring modes and screw-type industrial standards. Compact and reliable, it’s designed for professional environments requiring secure, versatile serial connections, backed by a 1-year limited warranty.

## Description

The DB92422 DB 9 to Terminal Block adapter converts an RS-422 or RS-485 DB 9 male serial connector to a terminal block connector. The 5-pin 3.5mm Terminal Block connector supports screw-type wiring to meet the standard for industrial wiring applications. Backed by Lifetime warranty.

Review: GOOD - GOOD
Review: Odds Are These Will Be Defective - Beware! - I ordered a handful of these adapters, only to find that one (1) out of the entire batch was functional. I have used many other adapters without any problems, but these seem to have a design flaw or just horrible build quality.

## Features

- Converts a DB9 male RS422/485 port to a 5 pin terminal block
- Supports four wire RS422, RS485, and two wire RS485 modes
- Supports 3.5mm 5 pin terminal blocks
- Signal Ground over Terminal blocks supported
- Meets Screw-type industrial wireing standards

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0037ECAKO |
| Best Sellers Rank | #379 in Serial Adapters |
| Brand | StarTech.com |
| Color | Black |
| Compatible Devices | Bar Code Scanners, CNC, Process Control Equipment, Serial Printers |
| Connector Type | Auxiliary |
| Current Rating | 1 A |
| Customer Reviews | 4.2 out of 5 stars 27 Reviews |
| Finish | Black |
| Global Trade Identification Number | 00065030837668 |
| Item Dimensions | 1.9 x 1.3 x 0.6 inches |
| Item Weight | 22.68 g |
| Item dimensions L x W x H | 1.9 x 1.3 x 0.6 inches |
| Manufacturer | StarTech.com |
| Mfr Part Number | DB92422 |
| Model Number | DB92422 |
| Number of Items | 1 |
| Number of Ports | 1 |
| Package Quantity | 1 |
| Power Plug Type | Type A - 2 pin (North American) |
| Specific Uses For Product | personal |
| UPC | 065030837668 |
| Unit Count | 1 Count |
| Warranty Description | 1 year warranty |
| Warranty Type | Limited |

## Product Details

- **Color:** Black
- **Compatible Devices:** Bar Code Scanners, CNC, Process Control Equipment, Serial Printers
- **Connector Type:** Auxiliary
- **Item dimensions L x W x H:** 2.25 x 1.72 x 3.6 inches
- **Specific Uses For Product:** personal

## Images

![StarTech RS422 RS485 Serial DB9 to Terminal Block Adapter, Black (DB92422) - Image 1](https://m.media-amazon.com/images/I/51BnhyRWy-L.jpg)
![StarTech RS422 RS485 Serial DB9 to Terminal Block Adapter, Black (DB92422) - Image 2](https://m.media-amazon.com/images/I/51hiYq6LLeL.jpg)
![StarTech RS422 RS485 Serial DB9 to Terminal Block Adapter, Black (DB92422) - Image 3](https://m.media-amazon.com/images/I/518XQskeyPL.jpg)
![StarTech RS422 RS485 Serial DB9 to Terminal Block Adapter, Black (DB92422) - Image 4](https://m.media-amazon.com/images/I/51lvay2ZlmL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ GOOD
*by B***S on October 25, 2018*

GOOD

### ⭐ Odds Are These Will Be Defective - Beware!
*by D***K on December 7, 2012*

I ordered a handful of these adapters, only to find that one (1) out of the entire batch was functional. I have used many other adapters without any problems, but these seem to have a design flaw or just horrible build quality.

### ⭐⭐⭐⭐⭐ Satisfied customer
*by G***E on January 25, 2016*

Product is good

## Frequently Bought Together

- StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) (black) , TAA (DB92422)
- STARTECH.COM 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention

---

## 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.pt/products/3977256-startech-rs422-rs485-serial-db9-to-terminal-block-adapter-black](https://www.desertcart.pt/products/3977256-startech-rs422-rs485-serial-db9-to-terminal-block-adapter-black)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-08-24*