---
product_id: 209715898
title: "LC Fiber Optic Multimode OM3 OM4 Loopback Adapter for Fiber Cable Testing"
brand: "cablerack"
price: "S/.155"
currency: PEN
in_stock: true
reviews_count: 2
category: "Cable Rack"
url: https://www.desertcart.pe/products/209715898-lc-fiber-optic-multimode-om3-om4-loopback-adapter-for-fiber
store_origin: PE
region: Peru
---

# Supports blazing 1Gb, 10Gb, 100Gb speeds Durable LC duplex snaplock connector PC polish reduces insertion loss LC Fiber Optic Multimode OM3 OM4 Loopback Adapter for Fiber Cable Testing

**Brand:** cablerack
**Price:** S/.155
**Availability:** ✅ In Stock

## Summary

> 🔌 Plug into precision — test smarter, not harder!

## Quick Answers

- **What is this?** LC Fiber Optic Multimode OM3 OM4 Loopback Adapter for Fiber Cable Testing by cablerack
- **How much does it cost?** S/.155 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/209715898-lc-fiber-optic-multimode-om3-om4-loopback-adapter-for-fiber)

## Best For

- cablerack enthusiasts

## Why This Product

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

## Key Features

- • **Rugged & Reliable Build:** Engineered with a tough outer shell and snaplock LC connectors to withstand daily datacenter demands.
- • **Compact & Essential Tool:** A must-have fiber loopback adapter that fits perfectly in any pro’s toolkit for on-the-go troubleshooting.
- • **Blazing High-Speed Testing:** Instantly validate singlemode SFP/SFP+ optics up to 100Gbps for future-proof network reliability.
- • **Precision-Polished Connectors:** Physical contact polish minimizes signal loss, ensuring ultra-accurate fiber diagnostics every time.
- • **Universal Singlemode Compatibility:** Seamlessly test OS1 and OS2 9/125 fibers, bridging legacy and modern infrastructure effortlessly.

## Overview

The LC Fiber Optic Singlemode 9/125 Loopback Adapter is a compact, durable testing tool designed for high-speed singlemode fiber optics. Compatible with OS1 and OS2 fibers, it supports 1Gb, 10Gb, and 100Gb data rates and features PC-polished LC duplex connectors to reduce insertion loss, making it essential for reliable fiber transceiver diagnostics in professional network environments.

## Description

Testing, troubleshooting and verifying optics in the datacenter or wiring closet can make the difference between a successfule project and one that does not ever seem to perform well. Having great tools available to assist in the evaluation and documentation of optic performance. Know for sure that your optics are up to the task by testing them first.

Review: LC loop back tester - Love it I’m a fiber technician and network engineer. Perfect for testing
Review: Great product - Great price. Great product. Easy to use and carry

## Features

- ✅ Quickly test multimodemode SFP and SFP+ Fiber Transceivers at 1Gb, 10GB and 100GB rates with this compact LC fiber loopback
- ✅ Any fiber test kit should include one of these durable multimode fiber loopback modules to ensure
- ✅ This LC duplex snaplock connector is the standard found in new SFP modules and LC couplers. The glass fiber is protected with a durable outer shell to ensure a long life for this important test tool
- ✅ Each LC connector features a physical contact (PC) polish to reduce insertion loss during testing
- ✅ OM4 optical glass is backwards compatible to OM3 and OM2 type 50/125 multimode fiber, so you'll have no issue testing older media types with this loopback

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Y14LRP7 |
| Best Sellers Rank | #227,092 in Electronics ( See Top 100 in Electronics ) #1,231 in Fiber Optic Cables |
| Brand | CableRack |
| Brand Name | CableRack |
| Cable Type | Fiber Optic |
| Color | LC MM |
| Compatible Devices | PC |
| Compatible Phone Models | No Compatible Phone Models |
| Connector Gender | Male-to-Male |
| Connector Type | Optical |
| Customer Reviews | 4.7 out of 5 stars 15 Reviews |
| Data Transfer Rate | 10 gigabits_per_second |
| Indoor Outdoor Usage | Indoor |
| Item Shape | Round |
| Item Weight | 1.6 ounces |
| Manufacturer | CableRack |
| Model | JBX18124 |
| Number of Items | 1 |
| Number of Pins | 2 |
| Other Special Features of the Product | Compact |
| Part Number | JBX18124 |
| Recommended Uses For Product | Fiber Optic Cable Testing, Data Center Network Troubleshooting |
| Special Feature | Compact |
| UPC | 848243001442 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** CableRack
- **Cable Type:** Fiber Optic
- **Compatible Devices:** PC
- **Connector Type:** RJ45
- **Special Feature:** Compact,Optic

## Images

![LC Fiber Optic Multimode OM3 OM4 Loopback Adapter for Fiber Cable Testing - Image 1](https://m.media-amazon.com/images/I/510SJ4a2LjL.jpg)
![LC Fiber Optic Multimode OM3 OM4 Loopback Adapter for Fiber Cable Testing - Image 2](https://m.media-amazon.com/images/I/41BmeQEsZ-L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ LC loop back tester
*by A***R on July 21, 2024*

Love it I’m a fiber technician and network engineer. Perfect for testing

### ⭐⭐⭐⭐⭐ Great product
*by G***S on September 30, 2022*

Great price. Great product. Easy to use and carry

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**Shop now:** [https://www.desertcart.pe/products/209715898-lc-fiber-optic-multimode-om3-om4-loopback-adapter-for-fiber](https://www.desertcart.pe/products/209715898-lc-fiber-optic-multimode-om3-om4-loopback-adapter-for-fiber)

---

*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-10-26*