---
product_id: 3977256
title: "StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) (black) , TAA (DB92422)"
brand: "startech.com"
price: "$117931"
currency: COP
in_stock: true
reviews_count: 7
category: "Star Tech.Com"
url: https://www.desertcart.co/products/3977256-startech-com-rs422-rs485-serial-db9-to-terminal-block-adapter
store_origin: CO
region: Colombia
---

# DB9 Male RS422/485 port conversion 5-pin 3.5mm screw terminal block Supports 2 & 4 wire RS422/485 modes StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) (black) , TAA (DB92422)

**Brand:** startech.com
**Price:** $117931
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Your Industrial Serial Connections with Confidence!

## Quick Answers

- **What is this?** StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) (black) , TAA (DB92422) by startech.com
- **How much does it cost?** $117931 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/3977256-startech-com-rs422-rs485-serial-db9-to-terminal-block-adapter)

## 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

- • **Signal Ground Support Included:** Ensures stable communication with dedicated signal ground wiring.
- • **Versatile Wiring Compatibility:** Supports four-wire RS422, two & four-wire RS485 modes for ultimate flexibility.
- • **Compact & Lightweight Form Factor:** Sleek 2.25 x 1.72 x 3.6 inch design fits tight spaces without compromise.
- • **Industrial-Grade Screw Terminal Design:** Secure, reliable connections with 3.5mm 5-pin screw terminals built to last.
- • **Seamless Serial to Terminal Block Conversion:** Effortlessly bridge DB9 RS422/485 ports to industrial-grade terminal blocks.

## Overview

The StarTech.com DB92422 adapter converts a DB9 male RS422/485 serial port into a 5-pin 3.5mm screw terminal block, supporting multiple wiring modes including four-wire RS422 and two-wire RS485. Designed for industrial applications, it ensures secure, reliable connections with signal ground support in a compact form factor.

## 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..

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 | #329 in Serial Adapters |
| Customer Reviews | 4.2 4.2 out of 5 stars (27) |
| Date First Available | January 5, 2010 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.811 ounces |
| Item model number | DB92422 |
| Language | English |
| Manufacturer | StarTech.com |
| Product Dimensions | 2.25 x 1.72 x 3.6 inches |

## 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.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) (black) , TAA (DB92422) - Image 1](https://m.media-amazon.com/images/I/51BnhyRWy-L.jpg)
![StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) (black) , TAA (DB92422) - Image 2](https://m.media-amazon.com/images/I/51hiYq6LLeL.jpg)
![StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) (black) , TAA (DB92422) - Image 3](https://m.media-amazon.com/images/I/518XQskeyPL.jpg)
![StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) (black) , TAA (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

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-02-24*