---
product_id: 313507224
title: "RS232 DB9M/F LED Link Tester with Surge Protection"
brand: "oono"
price: "€ 48.89"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/313507224-rs232-db9m-f-led-link-tester-with-surge-protection
store_origin: HR
region: Croatia
---

# 600W Surge Protection OS Compatibility Plug & Play RS232 DB9M/F LED Link Tester with Surge Protection

**Brand:** oono
**Price:** € 48.89
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with Confidence!

## Quick Answers

- **What is this?** RS232 DB9M/F LED Link Tester with Surge Protection by oono
- **How much does it cost?** € 48.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/313507224-rs232-db9m-f-led-link-tester-with-surge-protection)

## Best For

- oono enthusiasts

## Why This Product

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

## Key Features

- • **🔍 Visual Clarity:** 8 Bi-color LEDs for instant status checks
- • **⚙️ Easy Integration:** No drivers needed, just plug and play
- • **🛡️ Ultimate Protection:** Surge protection to safeguard your devices
- • **🔄 Universal Compatibility:** Works seamlessly with multiple OS platforms
- • **🔧 Customizable Connections:** Easily unscrew jack sockets for versatile use

## Overview

The RS232 DB9M/F LED Link Tester is a robust tool designed for professionals, featuring 8 bi-color LEDs that provide real-time status of RS232 data lines. With a peak pulse power dissipation of 600W and comprehensive surge protection, it ensures your devices remain safe from electrical damage. Compatible with a wide range of operating systems, this plug-and-play device is perfect for seamless integration into any tech setup.

## Description

RS232 DB9M/F LED Link Tester with Surge Protection

## Features

- 8 Bi-color (red and green) LEDs indicate the logic states for respective data lines. Green for logic HIGH and red for logic LOW. Full RS232 spec compliant with LEDs for all 8 signals: DCD, RXD, TXD, DTR, DSR, RTS, CTS, RI.
- Protect DB9 RS232 serial port, inhibit static and surge, prevent surge damaging devices. All 8 signals protect DCD RXD TXD DTR DSR RTS CTS RI to pin-5(GND) connects via TVS, and pin-5(GND) to DB9 metal housing connect via TVS. DB9 metal housing via DB9 cable connect to computer enclosure
- Peak pulse power dissipation 600W(10/1000μS), Breakdown voltage +/-30V.
- No external power required. No driver required. Plug and play. Jack sockets(nuts) on the tester can be unscrewed easily(with metal shell held in place) if needed to mate with another connector that has jack sockets.
- OS Compatibility: Windows 98, Me, XP, 2000, 2003, CE, Vista, Windows 7, and Windows 8 as well as Linux and Mac OS 10.X, ect.

## Images

![RS232 DB9M/F LED Link Tester with Surge Protection - Image 1](https://m.media-amazon.com/images/I/81UkkG2hSXL.jpg)
![RS232 DB9M/F LED Link Tester with Surge Protection - Image 2](https://m.media-amazon.com/images/I/71PJV+V9jzL.jpg)
![RS232 DB9M/F LED Link Tester with Surge Protection - Image 3](https://m.media-amazon.com/images/I/71GoAIu4+3L.jpg)
![RS232 DB9M/F LED Link Tester with Surge Protection - Image 4](https://m.media-amazon.com/images/I/81fx7qBQHRL.jpg)
![RS232 DB9M/F LED Link Tester with Surge Protection - Image 5](https://m.media-amazon.com/images/I/71Hqi7gEt8L.jpg)

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**Shop now:** [https://www.desertcart.hr/products/313507224-rs232-db9m-f-led-link-tester-with-surge-protection](https://www.desertcart.hr/products/313507224-rs232-db9m-f-led-link-tester-with-surge-protection)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-23*