5 Pcs Single Mode 9/125um LC/UPC Fiber Optic Loopback Adapter and 5 Pcs Multi Mode 50/125um LC/UPC OM3 Loopback Connector Plug Tester - SM & MM Duplex Loop Back Device Tool for Optical Cable Testing

★★★★★ 4.4 73 reviews

$40.48
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by soukofjewels.com
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
$40.48
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Apr 10
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by soukofjewels.com
Free 30-day returns Details

Product details

Management number 211721344 Release Date 2026/04/04 List Price $16.19 Model Number 211721344
Category
  • 【Package Included】5 Pcs LC loopback single mode and 5 Pcs LC loopback multi mode. These LC loopback fiber are small and handy, convenient for testing multiple fiber runs simultaneously or as a backup. They accurately detect link anomalies and ensure stable fiber data transmission. If you're performing any type of fiber testing, these loopback devices are a highly effective addition to your fiber optic tool kit.
  • 【Excellent Optical Performance】LC loopback connector uses high quality grade A ceramic core. This LC loop back has high precision, low insertion loss, high return loss, good compatibility, good interchangeability, high repeatability and strong stability. It can be reused up to 1000 times.
  • 【Wide Application】This LC loopback OM3 is used to troubleshoot fiber connections between network devices. Widely used in various testing scenarios, including modules, fiber optic transceivers, media converters, fiber optic sensors, data centers, fiber optic CATV, FTTX testing, patch panel applications, fiber optic communication systems, and fiber optic test equipment, meeting a variety of fiber optic cable network testing needs.
  • 【Simple to Use & Functional】This LC loopback plug quickly verifies the operation of SFP/SFP+ modules and confirms the end-to-end connection between device ports and fiber cables. It can also be installed on long-distance fiber links for OTDR testing or paired with a coupler and using a visual fault locator (VFL) or optical power meter (OPM) to effectively ensure fiber continuity on duplex LC cables.
  • 【One-year Warranty】We always put our customers first place and aim to provide good service! If you are unsatisfied with our LC fiber loop for any reason, please feel free to contact us, and then we will try our best to solve your problem.

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.4 out of 5
★★★★★
73 ratings | 30 reviews
How item rating is calculated
View all reviews
5 stars
81% (59)
4 stars
5% (4)
3 stars
2% (1)
2 stars
1% (1)
1 star
11% (8)
Sort by

There are currently no written reviews for this product.