---
product_id: 163149025
title: "Networx ISDN BRI Loopback Tester - RJ45 S/T Interface (Pins 3-4 and 5-6) - Diagnostics for Legacy ISDN Circuits"
brand: "networx®"
price: "฿758"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/163149025-networx-isdn-bri-loopback-tester-rj45-s-t-interface-pins
store_origin: TH
region: Thailand
---

# Compact 3.56x3.25x0.78 in RJ45 Female Connector Lifetime Warranty Networx ISDN BRI Loopback Tester - RJ45 S/T Interface (Pins 3-4 and 5-6) - Diagnostics for Legacy ISDN Circuits

**Brand:** networx®
**Price:** ฿758
**Availability:** ✅ In Stock

## Summary

> 🔧 Test smarter, not harder — your network’s new best friend!

## Quick Answers

- **What is this?** Networx ISDN BRI Loopback Tester - RJ45 S/T Interface (Pins 3-4 and 5-6) - Diagnostics for Legacy ISDN Circuits by networx®
- **How much does it cost?** ฿758 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/163149025-networx-isdn-bri-loopback-tester-rj45-s-t-interface-pins)

## Best For

- networx® enthusiasts

## Why This Product

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

## Key Features

- • **Eliminate Bulky Gear:** Replace heavy network hubs with this sleek, portable loopback tester.
- • **Plug & Play Simplicity:** Instantly diagnose ISDN (BRI) connections with zero setup hassle.
- • **Essential for Network Pros:** A must-have tool for every network admin and PC technician’s kit.
- • **Ultra-Compact Rugged Design:** Fits into the tightest corners and resists dents for long-lasting durability.
- • **Real-Time Link LED Indicator:** Visual confirmation of perfect connection status at a glance.

## Overview

The Networx® ISDN (BRI) RJ45 Loopback Tester is a compact, rugged, and user-friendly device designed for professional and advanced home use. It features an RJ45 female connector, a real-time link LED indicator, and a durable molded design, enabling quick and reliable testing of ISDN (BRI) connections, broken or shorted wires, and wall-to-switch links. Backed by a lifetime warranty, it’s the essential portable tool that network administrators rely on to streamline troubleshooting without bulky equipment.

## Description

An ISDN Loopback Tester is an exceedingly user friendly cable tester. Even the architecture is pretty simple. It looks like a simple plug at first glance but the compact, rugged design makes it highly portable and usable in the tightest corners. All you have to do is simply plug the Networx ISDN Loopback tester into the jack that you want to test or the one you are suspicious about. If the link LED on your switch is active, then that means that the connection is operating perfectly. These Loop back testers will make the life of a network administrator really easy. The Networx ISDN Loop back tester will negate the necessity to carry a bulky network hub around. Easily check for broken or shorted wires Check wall to switch connections easily without a cable Must have for all pc and network technicians A very user friendly and simple device Compact design allows for testing in the tightest of corners Molded architecture saves from dents and scratches for long lasting use

## Features

- Color: Blue
- Warranty: Lifetime Warranty
- Connector B: RJ45 Female
- Style: Loopback
- Package Quantity: 1

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00E4OKGRK |
| Best Sellers Rank | #1,976,305 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2,605 in Network & Cable Testers |
| Brand | Networx® |
| Color | Blue |
| Compatible Devices | PC |
| Connector Type | RJ45 |
| Date First Available | January 15, 2019 |
| Global Trade Identification Number | 00845425016577 |
| Indoor/Outdoor Usage | Indoor, Outdoor |
| Item Weight | 0.317 ounces |
| Manufacturer | Networx® |
| Number of Items | 1 |
| Number of Pins | 8 |
| Product Dimensions | 3.56 x 3.25 x 0.78 inches |
| Recommended Uses For Product | Professional and advanced home use for testing and troubleshooting ISDN (BRI) connections, checking for broken or shorted wires, and testing wall to switch connections |
| Shape | Round |
| UPC | 845425016577 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Networx®
- **Color:** Blue
- **Compatible Devices:** PC
- **Connector Type:** RJ45

## Images

![Networx ISDN BRI Loopback Tester - RJ45 S/T Interface (Pins 3-4 and 5-6) - Diagnostics for Legacy ISDN Circuits - Image 1](https://m.media-amazon.com/images/I/61L-V49tbKL.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/163149025-networx-isdn-bri-loopback-tester-rj45-s-t-interface-pins](https://www.desertcart.co.th/products/163149025-networx-isdn-bri-loopback-tester-rj45-s-t-interface-pins)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-21*