--- product_id: 472694562 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: "€ 27.56" currency: EUR in_stock: true reviews_count: 5 category: "10 Gtek" url: https://www.desertcart.it/products/472694562-mpo-fiber-optic-loopback-adapter-12-core-mpo-connector-multimode store_origin: IT region: Italy --- # 10 Gbps blazing speed 12-core MPO precision connection Plug-and-play easy 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:** € 27.56 **Availability:** ✅ In Stock ## Summary > 🔍 Diagnose like a pro, connect like a boss. ## 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?** € 27.56 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/472694562-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 - • **Compact & Durable Design:** Slim, housing-free build prevents bend radius issues, ensuring consistent performance in tight spaces. - • **Trusted Reliability & Support:** Backed by 1-year warranty, lifetime tech support, and a 30-day free return policy for peace of mind. - • **Precision 12-Core MPO Connector:** Engineered with a ceramic ferrule for minimal insertion loss and maximum optical fidelity. - • **Effortless Plug-and-Play Testing:** No extra setup needed—just connect and instantly troubleshoot your QSFP+ transceivers. - • **Lightning-fast 10G Data Transfer:** Experience ultra-reliable 10 Gigabit per second throughput for seamless network diagnostics. ## Overview The 10Gtek MPO Fiber Optic Loopback Adapter is a high-performance OM3 multimode 12-core MPO female connector designed for QSFP+ transceiver testing and network troubleshooting. Delivering 10 Gbps data rates with precision ceramic ferrule technology, it ensures minimal signal loss and reliable diagnostics. Its compact, plug-and-play design simplifies network restoration and system debugging, supported by a 1-year warranty and lifetime technical assistance. ## 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: Good test loop Review: Works great ## 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 r 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 d 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 | | Brand | 10Gtek | | Brand Name | 10Gtek | | Color | OM3/MPO/CAP/12 | | Colour | OM3/MPO/CAP/12 | | Compatible Devices | PC | | Compatible devices | PC | | Connector Gender | Female-to-Female | | Connector Type | Optical | | Connector gender | Female-to-Female | | Connector type | Optical | | Customer Reviews | 4.6 out of 5 stars 58 Reviews | | Data Transfer Rate | 10 Gigabits Per Second | | Indoor Outdoor Usage | Outdoor | | Item Shape | Round | | Item Weight | 0.02 Kilograms | | Manufacturer | 10Gtek | | Number of Items | 1 | | Number of Pins | 12 | | Other Special Features of the Product | Compact,Optic | | Special features | Compact,Optic | | Specification Met | Lszh | | Unit Count | 1 Count | ## Product Details - **Brand:** 10Gtek - **Colour:** OM3/MPO/CAP/12 - **Compatible devices:** PC - **Connector type:** Optical - **Special features:** 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 ### ⭐⭐⭐⭐⭐ Good test loop *by J***N on 4 June 2024* ### ⭐⭐⭐⭐⭐ Works great *by R***B on 2 October 2025* ### ⭐⭐⭐⭐⭐ Producto de buena calidad *by M***U on 4 August 2025* ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.it/products/472694562-mpo-fiber-optic-loopback-adapter-12-core-mpo-connector-multimode](https://www.desertcart.it/products/472694562-mpo-fiber-optic-loopback-adapter-12-core-mpo-connector-multimode) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-05-14*