---
product_id: 98890266
title: "LC/UPC Fiber Optic Loopback Duplex SM 9/125 Module Connector Tester Adapter"
brand: "jeirdus"
price: "€ 19.21"
currency: EUR
in_stock: true
reviews_count: 4
category: "Jeirdus"
url: https://www.desertcart.gr/products/98890266-lc-upc-fiber-optic-loopback-duplex-sm-9-125-module
store_origin: GR
region: Greece
---

# LC/UPC Fiber Optic Loopback Duplex SM 9/125 Module Connector Tester Adapter

**Brand:** jeirdus
**Price:** € 19.21
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** LC/UPC Fiber Optic Loopback Duplex SM 9/125 Module Connector Tester Adapter by jeirdus
- **How much does it cost?** € 19.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/98890266-lc-upc-fiber-optic-loopback-duplex-sm-9-125-module)

## Best For

- jeirdus enthusiasts

## Why This Product

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

## Description

Fiber Loop back is designed to provide a media of return patch for a fiber optic signal; typically it is used for fiber optic testing applications or network restorations. For the testing applications, the loopback signal is used for diagnosing a problem. Sending a loopback test to network equipment, one at a time, is a technique for isolating a problem.

Review: Loop back - Great I used this before on a fiber connection
Review: Jumper - Excelente

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DG3PLP1 |
| Best Sellers Rank | #158,331 in Electronics ( See Top 100 in Electronics ) #979 in Fiber Optic Cables |
| Brand | Jeirdus |
| Cable Type | Fiber Optic |
| Color | LC |
| Compatible Devices | Modem |
| Compatible Phone Models | No Compatible Phone Models |
| Connector Gender | Male-to-Male |
| Connector Type | Mpo/Lc |
| Customer Package Type | sealed anti-static bag or coiled in protective tubing |
| Data Transfer Rate | 100 Gigabits Per Second |
| Date First Available | January 1, 2018 |
| Indoor/Outdoor Usage | Indoor, Outdoor |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.353 ounces |
| Item model number | FBM-HLQ-SLC |
| Manufacturer | Jeirdus |
| Model Name | FBM-HLQ |
| Number of Pins | 4 |
| Product Dimensions | 0.39 x 0.39 x 0.39 inches |
| Recommended Uses For Product | Network Testing, Network Restoration, Modem Connection |
| Shape | Round |
| Special Feature | Data Transfer |
| UPC | 669591920557 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Jeirdus
- **Cable Type:** Fiber Optic
- **Compatible Devices:** Modem
- **Connector Type:** Mpo/Lc
- **Special Feature:** Data Transfer

## Images

![LC/UPC Fiber Optic Loopback Duplex SM 9/125 Module Connector Tester Adapter - Image 1](https://m.media-amazon.com/images/I/316UoSG007L.jpg)
![LC/UPC Fiber Optic Loopback Duplex SM 9/125 Module Connector Tester Adapter - Image 2](https://m.media-amazon.com/images/I/31soVP4QDAL.jpg)
![LC/UPC Fiber Optic Loopback Duplex SM 9/125 Module Connector Tester Adapter - Image 3](https://m.media-amazon.com/images/I/31yy9n-CYiL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Loop back
*by A***R on August 13, 2025*

Great I used this before on a fiber connection

### ⭐⭐⭐⭐⭐ Jumper
*by F***O on July 20, 2025*

Excelente

### ⭐⭐⭐⭐⭐ Review
*by N***A on February 28, 2019*

Gut Verarbeitet,verrichtet seine Arbeit.

## Frequently Bought Together

- Jeirdus LC/UPC Fiber Optic Loopback Duplex SM 9/125 Module Connector Tester Adapter
- LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC SM-9/125)
- Visual Fault Locator 30KM, VFL Fiber Optic Tester Kit - Include Single Mode 9/125um FC Male to LC Female Adapter, Light Pen for Fiber Network Cable Test

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**Shop now:** [https://www.desertcart.gr/products/98890266-lc-upc-fiber-optic-loopback-duplex-sm-9-125-module](https://www.desertcart.gr/products/98890266-lc-upc-fiber-optic-loopback-duplex-sm-9-125-module)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-07*