---
product_id: 606059043
title: "MPO Fiber Optic Loopback Adapter, 12-Core MPO connector Multimode OM3 50/125um Test Plug for QSFP+ Transceiver Testing Applications or network restorations"
brand: "10gtek"
price: "€ 79.37"
currency: EUR
in_stock: true
reviews_count: 5
category: "10 Gtek"
url: https://www.desertcart.at/products/606059043-mpo-fiber-optic-loopback-adapter-12-core-mpo-connector-multimode
store_origin: AT
region: Austria
---

# 10 Gbps data transfer rate 12-core MPO connector Plug-and-play, no setup MPO Fiber Optic Loopback Adapter, 12-Core MPO connector Multimode OM3 50/125um Test Plug for QSFP+ Transceiver Testing Applications or network restorations

**Brand:** 10gtek
**Price:** € 79.37
**Availability:** ✅ In Stock

## Summary

> 🔍 Test smarter, not harder — the ultimate MPO loopback for flawless fiber diagnostics!

## Quick Answers

- **What is this?** MPO Fiber Optic Loopback Adapter, 12-Core MPO connector Multimode OM3 50/125um Test Plug for QSFP+ Transceiver Testing Applications or network restorations by 10gtek
- **How much does it cost?** € 79.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/606059043-mpo-fiber-optic-loopback-adapter-12-core-mpo-connector-multimode)

## Best For

- 10gtek enthusiasts

## Why This Product

- Trusted 10gtek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Ceramic Ferrule:** Maximizes optical performance with minimal insertion loss for flawless network diagnostics.
- • **10 Gbps Multimode OM3 Fiber:** Supports blazing-fast data transfer speeds to keep your network testing future-proof.
- • **12-Core MPO Female Connector:** Ensures seamless compatibility with QSFP+ transceivers and high-density fiber setups.
- • **Compact & Hassle-Free Design:** Plug-and-play simplicity eliminates downtime—test your fiber links instantly, anywhere.
- • **Trusted Reliability & Support:** Backed by 1-year warranty and lifetime tech support, so you never face network issues alone.

## Overview

The MPO Fiber Optic Loopback Adapter is a high-quality, 12-core MPO female connector designed for QSFP+ transceiver testing and network troubleshooting. Featuring a precision ceramic ferrule and OM3 50/125um multimode fiber, it delivers up to 10 Gbps data transfer with minimal insertion loss. Compact and plug-and-play, it simplifies fiber optic testing and network restoration with reliable performance backed by a 1-year warranty and lifetime technical support.

## Description

MPO loopback is used to test network system in the signal comes back, through the echo signal, can detect the network link in the various potential abnormalities, the test is widely used, in order to ensure the normal network link provides an effective way of testing. Specification: Connector: MPO Female MM OM3 50/125um 12 Core Ferrule MPO LSZH Cable Jacket Fully compliant to MPO specifications Supports QSFP+ transceivers Applications: QSFP+ Transceiver Test

Review: Great product did what I needed to do for Testing
Review: Excelente

## Features

- 【High Quality】10Gtek standard OM3 Multimode 50/125um MPO/PC Female fiber optic loopback Adapter with precision ceramic ferrule for maximum optical performance, minimum Insertion Loss and high reliability.
- 【More Efficient】It is great for troubleshooting fiber links/interfaces and ensuring that the lines aren't broken. When you're not sure the cause of the network issues, the loopback adapter tester saves a lot of frustration.
- 【Widely Used】The MPO connector loopback adapter is widely used for fiber optic testing applications, network restorations and system debugging, etc. It is ideal for diagnosing problem.
- 【Easy To Use】It is convenient, compact and easy to test the QSFP+ Transceiver. Plug-and-play, don’t require extra setup. Without housing to avoid small bend radius inside the housing to cause the higher loss.
- 【Warranty】 100% functionally tested guaranteeing performance and integrity. Customers can enjoy 10Gtek 30 Days Free-returned, 1 Year Free Warranty and Lifetime Technology Support.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01M28C4KU |
| Are batteries included? | No |
| Brand | 10Gtek |
| Cable Type | Fibre Optic |
| Colour | X1 |
| Compatible Devices | PC |
| Connector Gender | Female-to-Female |
| Connector Type | Optical |
| Customer Reviews | 4.7 4.7 out of 5 stars (20) |
| Data Transfer Rate | 10 Gigabits Per Second |
| Date First Available | 12 September 2018 |
| Indoor/Outdoor Usage | Outdoor |
| Item Weight | 18 g |
| Item part number | LBMPO-OM3-12-AU |
| Manufacturer | 10Gtek |
| Net Quantity | 1 Count |
| Number of Items | 1 |
| Number of Pins | 12 |
| Number of Ports/Connectors | 1 |
| Package Dimensions | 10.16 x 7.62 x 0.76 cm; 18 g |
| Recommended Uses For Product | QSFP+ Transceiver Test, fiber optic testing applications, network restorations, system debugging |
| Shape | Round |
| Special Feature | Compact,Optic |
| Specific Product Use | PC |
| Specification Met | Lszh |

## Product Details

- **Brand:** 10Gtek
- **Cable Type:** Fibre Optic
- **Compatible Devices:** PC
- **Connector Type:** Optical
- **Special Feature:** Compact,Optic

## Images

![MPO Fiber Optic Loopback Adapter, 12-Core MPO connector Multimode OM3 50/125um Test Plug for QSFP+ Transceiver Testing Applications or network restorations - Image 1](https://m.media-amazon.com/images/I/51Oty-bdxvL.jpg)

## Questions & Answers

**Q: Will this work in a 400ge DR4?**
A: Tenably Yes

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***B on 2 October 2025*

Great product did what I needed to do for Testing

### ⭐⭐⭐⭐⭐ Review
*by M***U on 4 August 2025*

Excelente

### ⭐⭐⭐⭐⭐ Review
*by A***R on 14 April 2025*

As a DC Tech this loopback tool comes in handy when troubleshooting our mpo links.

## Frequently Bought Together

- MPO Fiber Optic Loopback Adapter, 12-Core MPO Connector Multimode OM3 50/125um Test Plug for QSFP+ Transceiver Testing Applications or Network restorations
- LC to LC Fiber Patch Cable Single Mode Duplex - 2m(7ft) - OS2 Fiber Optic Cable Cord Jumper- LSZH 9/125μm, 10Gb/Gigabit, SMF, Yellow
- MTP/MPO Fiber Optic Loopback Test Cable for Singlemode 9/125

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-05-13*