---
product_id: 266816026
title: "Fiber Optic Loopback Adapter LC/MM Fiber Optic Signal Loop Connector (LC/UPC MM-50/125)"
brand: "cruiser"
price: "₨6449"
currency: LKR
in_stock: true
reviews_count: 5
url: https://www.desertcart.lk/products/266816026-fiber-optic-loopback-adapter-lc-mm-fiber-optic-signal-loop
store_origin: LK
region: Sri Lanka
---

# High Return Loss Low Insertion Loss Loopback Functionality Fiber Optic Loopback Adapter LC/MM Fiber Optic Signal Loop Connector (LC/UPC MM-50/125)

**Brand:** cruiser
**Price:** ₨6449
**Availability:** ✅ In Stock

## Summary

> 🔍 Diagnose with Confidence!

## Quick Answers

- **What is this?** Fiber Optic Loopback Adapter LC/MM Fiber Optic Signal Loop Connector (LC/UPC MM-50/125) by cruiser
- **How much does it cost?** ₨6449 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/266816026-fiber-optic-loopback-adapter-lc-mm-fiber-optic-signal-loop)

## Best For

- cruiser enthusiasts

## Why This Product

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

## Key Features

- • **⚡ Quick Setup:** Effortless installation for immediate testing and restoration.
- • **🔒 Secure Connection:** Ensures a stable signal path for uninterrupted performance.
- • **🔧 Precision Testing:** Perfect for diagnosing network issues with ease.
- • **🏠 Indoor & Outdoor Use:** Designed to perform in any environment, ensuring reliability.
- • **🌐 Versatile Compatibility:** Available in multiple styles for all your fiber optic needs.

## Overview

The LC/UPC Fiber Optic Loopback Adapter is an essential tool for network professionals, providing a reliable return path for signal testing and restoration. With low insertion loss and high return loss, this adapter is designed for both indoor and outdoor use, ensuring optimal performance across various fiber optic configurations.

## Description

Fiber Optic Loopback Adapter LC/MM Fiber Optic Signal Loop Connector (LC/UPC MM-50/125)

## Features

- Fiber Optic Loopback provides a media of return path for a signal, whether the signal is for testing purposes or due to network restoration.
- In the case of testing, the loopback signal is used for diagnosing a problem
- Sending a loopback test to a network equipment, one at a time, is a technique for isolating a problem.
- Low insertion loss，High return loss
- LC/UPC interface is available in 5 styles: SM-9/125, MM-50/125, MM-62.5/125, OM3, OM4

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Unit Count | 1 Count |
| Shape | Round |
| Indoor Outdoor Usage | Outdoor, Indoor |
| Additional Features | 速 |
| Connector Type Used on Cable | Optical |
| Cable Type | Fiber Optic |

## Product Details

- **Brand:** Cruiser
- **Connector Type:** Optical
- **Cable Type:** Fiber Optic
- **Special Feature:** 高速
- **Shape:** Round

## Images

![Fiber Optic Loopback Adapter LC/MM Fiber Optic Signal Loop Connector (LC/UPC MM-50/125) - Image 1](https://m.media-amazon.com/images/I/71CC1pv-dJL.jpg)
![Fiber Optic Loopback Adapter LC/MM Fiber Optic Signal Loop Connector (LC/UPC MM-50/125) - Image 2](https://m.media-amazon.com/images/I/71PAYeShUQL.jpg)
![Fiber Optic Loopback Adapter LC/MM Fiber Optic Signal Loop Connector (LC/UPC MM-50/125) - Image 3](https://m.media-amazon.com/images/I/61iy+lUDgwL.jpg)
![Fiber Optic Loopback Adapter LC/MM Fiber Optic Signal Loop Connector (LC/UPC MM-50/125) - Image 4](https://m.media-amazon.com/images/I/71O0mpCn2wL.jpg)
![Fiber Optic Loopback Adapter LC/MM Fiber Optic Signal Loop Connector (LC/UPC MM-50/125) - Image 5](https://m.media-amazon.com/images/I/71w-QpuAQ2L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    As described
  

*by G***9 on Reviewed in the United States on December 8, 2023*

Fast

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Prefect
  

*by J***N on Reviewed in the United States on August 7, 2023*

Just what I needed

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Works but...
  

*by K***G on Reviewed in the United States on February 27, 2024*

I know the description doesn’t say 2 pieces anywhere but that first picture is so misleading. At least this thing works on MM & SM Cisco SFPs.

## Frequently Bought Together

- LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC MM-50/125)
- Fiber Optic Loopback Adapter SC/UPC Interface Circuitors Signal Loopback Connector SM/MM/OM3/OM4 (SC/UPC SM-9/125)

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**Shop now:** [https://www.desertcart.lk/products/266816026-fiber-optic-loopback-adapter-lc-mm-fiber-optic-signal-loop](https://www.desertcart.lk/products/266816026-fiber-optic-loopback-adapter-lc-mm-fiber-optic-signal-loop)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-10*