---
product_id: 334754976
title: "LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC MM-62.5/125)"
brand: "cruiser"
price: "€ 16.63"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.com.cy/products/334754976-lc-upc-fiber-optic-circuitors-connector-sm-and-mm-fiber
store_origin: CY
region: Cyprus
---

# High return loss Low insertion loss Loopback functionality LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC MM-62.5/125)

**Brand:** cruiser
**Price:** € 16.63
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect, Test, and Triumph!

## Quick Answers

- **What is this?** LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC MM-62.5/125) by cruiser
- **How much does it cost?** € 16.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/334754976-lc-upc-fiber-optic-circuitors-connector-sm-and-mm-fiber)

## 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

- • **📉 Minimal Signal Loss:** Experience superior performance with low insertion loss for optimal data transmission.
- • **🔄 Seamless Signal Testing:** Effortlessly diagnose network issues with our reliable loopback adapter.
- • **🔌 Versatile Compatibility:** Available in multiple styles (SM-9/125, MM-50/125, MM-62.5/125, OM3, OM4) to suit your needs.
- • **📈 Enhanced Signal Integrity:** Achieve high return loss, ensuring your signals stay strong and clear.
- • **🛠️ Simplified Network Restoration:** Quickly restore network functionality with a straightforward testing solution.

## Overview

The LC/UPC Fiber Optic Loopback Adapter is designed for efficient signal testing and network restoration. With low insertion loss and high return loss, it ensures optimal performance across various fiber optic styles, making it an essential tool for network professionals.

## Description

LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC MM-62.5/125)

## 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

## Images

![LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC MM-62.5/125) - Image 1](https://m.media-amazon.com/images/I/71Y8+DFdYvL.jpg)
![LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC MM-62.5/125) - Image 2](https://m.media-amazon.com/images/I/71FImSkKuhL.jpg)
![LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC MM-62.5/125) - Image 3](https://m.media-amazon.com/images/I/61oPiReGNML.jpg)
![LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC MM-62.5/125) - Image 4](https://m.media-amazon.com/images/I/7138k8Rw4BL.jpg)
![LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC MM-62.5/125) - Image 5](https://m.media-amazon.com/images/I/71MmeG6oJML.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-62.5/125)
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**Shop now:** [https://www.desertcart.com.cy/products/334754976-lc-upc-fiber-optic-circuitors-connector-sm-and-mm-fiber](https://www.desertcart.com.cy/products/334754976-lc-upc-fiber-optic-circuitors-connector-sm-and-mm-fiber)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-20*