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LC/UPC Duplex PVC (OFNR) OM4 50/125 Multimode Fibre Loopback Module
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LC/UPC Duplex PVC (OFNR) OM4 50/125 Multimode Fibre Loopback Module


4,50 € (Excl. VAT)

5,36 € (Incl. VAT)

Depending on your delivery address, VAT may vary at Checkout.


  • 7.4K Sold
  • 80 Reviews
  • 0 Question
95 In Stock, 

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FREE Delivery via TNT Express® on orders over 79 € (excl. VAT)
Get it by Fri. 16th Apr.
The delivery date applies to the inventory items purchased by 4:30pm (UTC/GMT+2) on business days. After that, your order will ship on the next business day. If your requested quantity exceeds the inventory, it will be dispatched in another shipment at no extra cost. For more details, please refer to the checkout page.

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LC/UPC Duplex Fibre Loopback Module, 50/125 Multimode, PVC

Fibre optic loopback modules are designed to test and troubleshoot active network equipment, which is an economical and effective solution for a number of fibre optic test applications. FS.COM supplies various kinds of single mode and multimode fibre optic loopback cables with different connectors including LC, SC, MTP®, etc. Each loopback connector is functionally tested before shipping.
Fiber type Multimode 50/125 Fiber connector LC/UPC
Return loss MM≥20dB Insertion loss MM≤0.3dB
Jacket material PVC (Aqua) Insert-pull test 500times, IL<0.5dB
Operation temperature -20 to 70°C(-4 to 158°F) Dimensions 53x14x12mm
HTS-Harmonized Code 8517709000

Quality Certifications
Quality and standards are the foundation of FS.COM. We are dedicated to providing customers with the outstanding, standards-compliant products and services.
FS.COM has passed many quality system verification, like CE, RoHS, FCC, established an internationally standardized quality assurance system and strictly implemented standardized management and control in the course of design, development, production, installation and service.
  • This product is in conformity with ISO14001. It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability. Please contact us to learn more.
  • This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
Product Highlights
LC Multimode Fiber Loopback Module
Fibre Loopback LC Multimode Fiber Loopback Module

Fibre Loopback Internal Configuration
Internal Configuration

Equipped with a LC Loopback cable inside, it supports the test of transceivers featuring LC interface.

External Configuration

Equipped with a black enclosure to protect the optical cable, and the looped space is reduced for an easier usage and economic package.

Fibre Loopback 
External Configuration
Fibre Loopback Dustproof Function
Dustproof Function

Every Loopback Module is equipped with two small dust caps, which is convenient to protect it from pollution.

Energy Saving

Complying with the RJ-45 style interface. Having a low insertion loss, low back reflection and high precision alignment.

Fibre Loopback 
Energy Saving

Fiber Optic Loopback Testing

Fiber optic loopback modules incorprate two fiber optic connectors and they are plugged into the output and input port of the equipment respectively so that a signal can be sent from a communication device and looped back to the device as a way to troubleshoot a defective node in the network.

Fibre Loopback Fiber Optic Loopback Testing

Application in Data Center

Collocated with 10G or 40G or 100G LC/UPC interface transceivers

Fibre Loopback Application in Data Center
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