---
product_id: 52267856
title: "StarTech.com NM9MF DB9 RS232 Serial Null Modem Adapter, Null Modem Adapter, DB-9 (M) to DB-9 (F)"
brand: "startech"
price: "€ 15.16"
currency: EUR
in_stock: true
reviews_count: 13
category: "Star Tech"
url: https://www.desertcart.be/products/52267856-startech-com-nm9mf-db9-rs232-serial-null-modem-adapter-null
store_origin: BE
region: Belgium
---

# Instant cable conversion, no extra hardware DB-9 Male to Female interface Plug & play, zero setup hassle StarTech.com NM9MF DB9 RS232 Serial Null Modem Adapter, Null Modem Adapter, DB-9 (M) to DB-9 (F)

**Brand:** startech
**Price:** € 15.16
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect the past to your present with zero compromise!

## Quick Answers

- **What is this?** StarTech.com NM9MF DB9 RS232 Serial Null Modem Adapter, Null Modem Adapter, DB-9 (M) to DB-9 (F) by startech
- **How much does it cost?** € 15.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/52267856-startech-com-nm9mf-db9-rs232-serial-null-modem-adapter-null)

## Best For

- startech enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Simplicity:** No drivers or software needed—just connect and communicate instantly.
- • **Seamless Legacy Connectivity:** Effortlessly bridge vintage tech with modern systems using DB-9 serial ports.
- • **Cost-Effective Cable Transformation:** Convert any straight-through serial cable into a null modem cable without buying new gear.
- • **Built to Last with Lifetime Warranty:** StarTech.com's trusted durability ensures your investment is future-proofed.
- • **Perfect for Terminal Emulation & Debugging:** Ideal for IT pros managing legacy systems or hobbyists reviving classic hardware.

## Overview

The StarTech.com NM9MF is a robust DB-9 male to female null modem adapter that converts standard serial cables into null modem cables, enabling seamless communication between legacy devices and modern PCs. Lightweight and easy to install, it requires no software and comes backed by a lifetime warranty, making it an essential tool for professionals maintaining or testing vintage serial equipment.

## Description

Buy

Review: Useful db9 interface form Star Tech. - Sturdy db9 null modem interface.
Review: Inability to talk to an old computer? It wasn’t terminal! - Got this to connect a NorthStar Horizon to a modern PC as a terminal. It worked! A normal serial cable becomes useful and I got to test the machine properly.

## Features

- Null modem adapter
- DB-9 (M) to DB-9 (F)
- A cost-effective way of converting a straight through cable into a null modem cable
- Easy to use and intall
- Backed by StarTech.com's lifetime warranty
- for P/N: PCI2S232485I

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000EXPZ4E |
| Are Batteries Included | No |
| Best Sellers Rank | 59,352 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 166 in Serial Adapters |
| Brand | StarTech |
| Colour | gray |
| Customer Reviews | 4.4 4.4 out of 5 stars (89) |
| Date First Available | 27 May 2010 |
| Guaranteed software updates until | unknown |
| Hard Drive Interface | ATA |
| Hardware Platform | Refer_Manual |
| Item Weight | 33 g |
| Item model number | NM9MF |
| Manufacturer | StarTech.com |
| Power Source | AC |
| Processor Brand | Refer_Manual |
| Processor Count | 1 |
| Processor Type | Unknown |
| Product Dimensions | 8.41 x 1.91 x 15.19 cm; 33 g |
| Series | NM9MF |
| Standing screen display size | 9 Inches |
| Wireless Type | 802.11bgn |

## Product Details

- **Colour:** gray
- **Compatible devices:** DB-9 (M) to DB-9 (F) - NM9MF
- **Connector type:** SATA, USB Type A, db9, sata, usb 2.0
- **Item dimensions L x W x H:** 8.4 x 1.9 x 15.2 centimetres
- **Specific uses for product:** Personal

## Images

![StarTech.com NM9MF DB9 RS232 Serial Null Modem Adapter, Null Modem Adapter, DB-9 (M) to DB-9 (F) - Image 1](https://m.media-amazon.com/images/I/518l4z6GL-L.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Useful db9 interface form Star Tech.
*by A***R on 8 May 2024*

Sturdy db9 null modem interface.

### ⭐⭐⭐⭐⭐ Inability to talk to an old computer? It wasn’t terminal!
*by T***S on 7 November 2021*

Got this to connect a NorthStar Horizon to a modern PC as a terminal. It worked! A normal serial cable becomes useful and I got to test the machine properly.

### ⭐⭐⭐⭐⭐ All the item arrived fine and all working fine too
*by A***R on 8 March 2016*

All the item arrived fine and all working fine too. Packaging is also excellent and great services. Excellent it is.

## Frequently Bought Together

- StarTech.com NM9MF DB9 RS232 Serial Null Modem Adapter, Null Modem Adapter, DB-9 (M) to DB-9 (F)
- StarTech.com NM9FF DB9 RS232 Serial Null Modem Adapter, F/F, Null Modem Adapter, DB-9 (F) to DB-9 (F), White
- StarTech.com GC9SF Slimline DB9 Serial Gender Changer, F/F, Serial Gender Changer, DB-9 (F) to DB-9 (F)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-05-21*