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- -4PC Duplex Singlemode LC UPC Fiber Loopback ...
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Item #:
148913123
-4PC Duplex Singlemode LC UPC Fiber Loopback Tester Duplex LC Connector Loopback Adapter Test Plug
Item #:
148913123
€ 16
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This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
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Detect potential anomalies in your network with our reliable 4PC LC fiber loopback connector.
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Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Compatibility
Designed to seamlessly fit duplex LC connectors, the loopback tester ensures consistent performance across various fiber optic devices, making it ideal for network diagnostics and troubleshooting.
Quality Testing
Delivers reliable signal integrity to evaluate the performance of optical network components, ensuring effective data transmission and minimizing downtime with thorough testing capabilities.
Cost-Effective Solution
This 4PC pack provides an economical choice for technicians needing multiple loopback testers, offering excellent value without compromising on quality or functionality during fiber network assessments.
Product Details
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Network Technicians
Ideal for technicians needing to test and diagnose fiber optic networks with reliable loopback connections for troubleshooting.
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Telecom Engineers
Beneficial for engineers conducting performance tests on singlemode optical fibers to ensure optimal network functionality.
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Educational Purposes
Great for students and educators in telecommunications, offering hands-on experience with fiber optic testing equipment.
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Casual Users
Not suitable for non-technical individuals who may not understand how to properly utilize or benefit from this product.
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Multi-mode Applications
Inappropriate for use in multi-mode fiber optic systems, as this product is specifically designed for singlemode connections.
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Home Networking
Not recommended for basic home networking needs where loopback testing is unnecessary and over-complicates simple setups.
Product Description
-4PC Duplex Singlemode LC UPC Fiber Loopback Tester Duplex LC Connector Loopback Adapter Test Plug
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a Duplex Singlemode LC UPC Fiber Loopback Tester?
Answer: A Duplex Singlemode LC UPC Fiber Loopback Tester is a device designed to test and verify the performance of fiber optic networks. It works by reflecting the signal back into the source, allowing engineers to check for issues without needing additional equipment. This loopback tester is specifically compatible with LC connectors and is optimal for Singlemode fiber applications, making it invaluable for network administrators and technicians who want to ensure their fiber optic links are functioning correctly. -
Question:
How does the Fiber Loopback Tester work?
Answer: The Fiber Loopback Tester operates by sending a light signal through the fiber optic cable, which then loops back to the original source. It enables technicians to analyze the integrity of the network by measuring loss, attenuation, and other performance metrics. This method helps in troubleshooting connectivity issues without needing to disconnect or reconfigure the network, making it ideal for maintenance routines and performance assessments in data centers or telecommunication networks. -
Question:
What are the key features of the Duplex LC Connector Loopback Adapter?
Answer: The Duplex LC Connector Loopback Adapter features a precise LC connector interface that ensures a reliable and secure connection, reducing signal loss. It is designed for Singlemode fibers, allowing for optimal data transmission over long distances. Additionally, its robust construction ensures durability, making it suitable for both laboratory testing and field applications. The adapter is a go-to tool for network engineers looking to validate system performance quickly and efficiently. -
Question:
What kind of applications can benefit from using the Fiber Loopback Tester?
Answer: Various applications benefit from the Fiber Loopback Tester, including testing data centers, telecommunications networks, and fiber optic installations. It is particularly useful for diagnosing faults, validating new installations, and ensuring optimal performance during upgrades or repairs. By providing instant feedback on fiber connections, it enhances troubleshooting capabilities and helps maintain network quality—essential for organizations relying heavily on robust communication infrastructures. -
Question:
Can this loopback tester be used with multimode fibers?
Answer: No, the Duplex Singlemode LC UPC Fiber Loopback Tester is specifically designed for Singlemode fibers. While it may fit into multimode connectors, the performance specifications are tailored for Singlemode applications. Utilizing the correct type ensures accurate testing and minimizes signal degradation. For users needing to test multimode fibers, a dedicated multimode loopback tester is recommended to achieve optimal results. -
Question:
How important is the UPC polish in the LC connectors?
Answer: The UPC (Ultra Physical Contact) polish in LC connectors is critical as it provides a superior surface finish that helps reduce insertion loss and back reflection. This polish ensures a better alignment between mating connectors, which is essential for maintaining high-quality data transmissions in Singlemode fiber installations. Using connectors with UPC polish can significantly enhance network performance, particularly in environments with stringent performance requirements. -
Question:
What is the significance of using a loopback tester during network setup?
Answer: Utilizing a loopback tester during network setup is significant as it allows for immediate verification of link integrity and network performance before moving into full-scale operations. The device helps identify any issues that may cause connectivity problems later on by simulating a connection. This proactive approach saves time and resources, ensuring that only optimized links are put into service, which contributes to improved overall network reliability. -
Question:
Is the loopback tester suitable for field testing?
Answer: Yes, the Duplex Singlemode LC UPC Fiber Loopback Tester is well-suited for both lab and field testing. Its compact and robust design enables technicians to carry it easily while conducting on-site evaluations. Field professionals will find it invaluable for troubleshooting and maintaining fiber optic networks in various environments, ensuring quick and accurate diagnoses without needing elaborate setups. -
Question:
Can I use this adapter with other fiber optic testing equipment?
Answer: Yes, the Duplex LC Connector Loopback Adapter can be used with various fiber optic testing equipment. It is compatible with most optical network testing tools and devices that feature LC connectors. Integrating it with OTDRs (Optical Time Domain Reflectometers) or power meters allows technicians to perform comprehensive testing. Its versatility makes it a valuable addition to any fiber optic technician's toolkit. -
Question:
Where can I buy the 4PC Duplex Singlemode LC UPC Fiber Loopback Tester Duplex LC Connector Loopback Adapter Test Plug?
Answer: You can purchase the 4PC Duplex Singlemode LC UPC Fiber Loopback Tester Duplex LC Connector Loopback Adapter Test Plug through Ubuy in Aland Islands. Ubuy offers a wide range of fiber optic testing equipment and ensures a seamless shopping experience with detailed product descriptions, making it easier for customers to find what they need for their networking projects.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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€ 16
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Fastest cross-border delivery
Features & Benefits
- Includes 4PC LC fiber loopback connectors for singlemode 9/125μm.
- Durable construction with heat-resistant and wear-resistant materials.
- Designed to effectively test signal return in network systems.
- Low insertion loss (≤0.2dB) and high return loss (≥50dB) guarantee performance.
- Can withstand more than 1000 insertion and removal cycles.
- Perfect for use in distribution frames and various fiber optic applications.