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header-product StarTech.com LC Loopback Plug Single Mode 9/125 LC Fiber Loopback Adapter LC/UPC Connector
59.49 €

StarTech.com LC Loopback Plug Single Mode 9/125 LC Fiber Loopback Adapter LC/UPC Connector

StarTech.com LC Loopback Plug LOOPBACKLCLC00DB Photo 1
StarTech.com LC Loopback Plug LOOPBACKLCLC00DB Photo 2
StarTech.com LC Loopback Plug LOOPBACKLCLC00DB Photo 1
StarTech.com LC Loopback Plug LOOPBACKLCLC00DB Photo 2

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StarTech.com LC Loopback Plug Single Mode 9/125 LC Fiber Loopback Adapter LC/UPC Connector

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StarTech.com LC Loopback Plug Single Mode 9/125 LC Fiber Loopback Adapter LC/UPC Connector

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Short description

StarTech.com single mode 9/125 LC fiber loopback adapter featuring an LC/UPC connector for network testing and troubleshooting. Designed for fiber optic testing applications, this loopback plug provides a stable optical return path to test network transmission performance in data centers, telecommunications, and local area networks efficiently.
Available at price 59.49 €: 5 pcs.
Total available for order: 15 pcs.
Warranty: 2 Years
SKU: 12642349
Manufacturer: StarTech
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
22.09.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
25.09.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.01 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
25.09.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
payment
Payment Methods:
Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay
Available for private customers at price 66.49 €: 5 pcs.
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Product information

Description

The StarTech.com LC Loopback Plug Single Mode 9/125 LC Fiber Loopback Adapter LC/UPC Connector is a specialized networking accessory designed for efficient fiber optic testing and network troubleshooting. This single mode fiber loopback adapter features an LC/UPC connector, providing a reliable and stable optical return path. It is engineered to help network technicians test transmission performance, verify network equipment functionality, and diagnose connection issues in various fiber optic communication environments.

Advantages

This LC fiber loopback adapter offers a dependable solution for testing single mode network hardware without requiring complex network loops. Built with precision LC/UPC connectors, it ensures minimal insertion loss and high signal integrity during diagnostic procedures. The compact and lightweight design allows for easy handling, deployment, and storage in toolkit inventories. By providing a direct and stable return path, it simplifies the process of validating transceiver functionality in switches, routers, and other optical network equipment.

Suitable for

  • Testing single mode 9/125 fiber optic network equipment
  • Troubleshooting transceiver modules and network ports in data centers
  • Verifying optical link performance in telecommunications infrastructures
  • Laboratory testing and quality assurance of fiber optic components

When it may not be suitable

This loopback plug is strictly designed for single mode 9/125 fiber optic systems with LC/UPC interfaces and cannot be used with multimode fiber cables or different connector types without adapters. It is not intended for permanent data transmission links or as a standard patch cable replacement in active network setups.

Key specifications

  • Single mode 9/125 fiber optic compatibility
  • LC/UPC connector type
  • Designed for network testing and troubleshooting
  • Compact plug-in form factor

How to use

To use the LC fiber loopback adapter, ensure the network equipment is powered on and properly configured for testing. Gently insert the LC/UPC connector directly into the target optical transceiver port or network interface module until it clicks securely into place. Once connected, initiate the diagnostic software or testing protocol on your network device to send and receive optical signals through the loopback path. Monitor the test results to evaluate signal integrity and transmission performance. After testing is complete, press the release latch and carefully pull the connector straight out of the port.

What to consider before purchase

  • Verify that your network hardware utilizes single mode 9/125 fiber specifications
  • Confirm that your equipment is equipped with LC optical ports
  • Assess your specific testing requirements for data center or telecommunication maintenance
Usage recommendations: Always inspect and clean the optical end-faces of the LC connector using approved fiber optic cleaning tools before insertion to prevent dust contamination and ensure accurate test results.

Description

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Product comparison

When choosing the right connectivity accessory, it is important to consider the primary purpose of each item, as these products belong to completely different categories and serve distinct functions. StarTech.com LC Loopback Plug Single Mode 9/125 LC Fiber Loopback Adapter LC/UPC Connector is designed exclusively for fiber optic network testing and troubleshooting by providing a stable optical return path in data centers and telecommunications. In contrast, the alternative products consist of video adapters and display cables meant for connecting computers to monitors and screens in office or home environments.

⚙️ Specifications comparison of the core parameters and design purposes.

Comparison parameterStarTech.com LC Loopback PlugStarTech USB 3.0 Dual Monitor AdapterStarTech MDP2DPMM1MWStarTech MDP2DPMM1MStarTech MXT101MMHD15StarTech HDCDVIMM1MPractical significance
Product typeFiber optic loopback plugUSB 3.0 dual monitor adapterMini DisplayPort to DisplayPort cableMini DisplayPort to DisplayPort cableVGA monitor cableMini HDMI to DVI cableEach product addresses a completely different technical requirement and they are not interchangeable.
Intended useFiber optic network testingConnecting two monitors to a computer4K UHD video signal transmission4K UHD video signal transmissionConnecting VGA displaysConnecting Mini HDMI devices to DVI displaysThe optical adapter serves networking specialists, while the rest serve multimedia and workspace expansion.
BrandStarTechStarTechStarTechStarTechStarTechStarTechAll compared items originate from the same manufacturer ensuring consistent build quality standards.

◎ Suitability analysis based on user needs and practical application scenarios.

Use caseRecommended productWhy
Testing and diagnosing fiber optic communication linesStarTech.com LC Loopback Plug Single Mode 9/125 LC Fiber Loopback Adapter LC/UPC ConnectorEngineered specifically to test network transmission performance in fiber infrastructures.
Expanding workspace by connecting dual displays to a laptopStarTech USB 3.0 Dual Monitor Adapter 107B-USB-HDMI-2Enables simultaneous connection to two HDMI screens to improve office productivity.
High-definition video transmission from Mini DisplayPort to DisplayPortStarTech MDP2DPMM1MW or MDP2DPMM1MSupports 4K UHD resolutions for clear and reliable video and audio delivery.

StarTech.com LC Loopback Plug Single Mode 9/125 LC Fiber Loopback Adapter LC/UPC Connector is a targeted solution for network engineers and telecommunications technicians performing fiber optic diagnostics and transmission testing. Choose this product if you specifically require an optical return path for network troubleshooting. If your goal is to connect displays, transmit video signals, or expand your computer workspace, you should select one of the alternative video cables or adapters.

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Stock data
Warehouse Stock Delivery to the store Store Price
WH355 5 22.09.2026 Best delivery
66.49 €
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
EU9 5 22.09.2026 Best delivery
59.49 € Best price
WH109 5 06.10.2026
New
69.99 €
66.49 €
Stock: 5
Delivery Date: 22.09.2026 Best delivery
Warehouse: WH355
Available only for legal entities
59.49 €
Stock: 5
Delivery Date: 22.09.2026 Best delivery
Warehouse: EU9
New
69.99 €
Stock: 5
Delivery Date: 06.10.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the StarTech.com LC Loopback Plug LOOPBACKLCLC00DB cost, and is it available for purchase?

The price is 59.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 22.09.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All StarTech products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized StarTech service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.