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SC/UPC OM3 Multimode 50/125 Fiber Loopback Cable
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Product Highlights:
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High-performance SC/UPC OM3 loopback cable designed for equipment testing, troubleshooting, and link verification in multimode 50/125µm networks.
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Factory-tested for guaranteed optical performance with durable construction supporting over 500 mating cycles.
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Ideal for lab environments, telecom testing, and FTTX verification where stable return signals are required.
Table of Contents
Description
The FiberMania SC/UPC OM3 Multimode 50/125 Fiber Loopback Cable is an essential diagnostic tool for testing and evaluating optical network equipment. Designed to generate a stable return path, this loopback module helps technicians verify transmit and receive functionality, isolate link issues, and perform equipment burn-in testing. Manufactured with high-quality multimode OM3 fiber and precision-polished SC/UPC connectors, it ensures low insertion loss, stable reflectance, and consistent performance for laboratory and field use.
The cable is built with an aqua PVC jacket and a durable design that supports more than 500 mating cycles. Each unit is fully tested before shipping to guarantee reliability and repeatable network testing results.
Specification
| Connector Type | SC/UPC |
|---|---|
| Fiber Mode | OM3 Multimode |
| Fiber Size | 50/125 µm |
| Core Diameter | 50 µm |
| Jacket Material | PVC |
| Jacket Color | Aqua |
| Polishing Type | UPC |
| Durability | >500 cycles (≤0.2 dB loss change) |
| Reflectance | ≥20 dB |
| Insertion Loss | Typically ＜0.30 dB (industry average for OM3 loopbacks) |
| Operating Temperature | −20°C to +70°C (typical for test modules) |
| Storage Temperature | −40°C to +85°C |
| Cable Type | Short-length loopback jumper |
| Application Ports | SC/UPC multimode transceivers, switches, test instruments |
| Compliance | RoHS compliant |
| Packaging | Neutral or OEM private label |
| Use Case | Port testing, diagnostics, burn-in, lab testing |
Features
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Designed for OM3 multimode 50/125 µm fiber testing environments.
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SC/UPC connectors with stable performance and high durability.
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100% functional testing performed before shipment.
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Duplex clip for easy, accurate insertion and secure handling.
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Rugged construction suitable for labs, telecom rooms, and testing centers.
Applications
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Fiber optic laboratory diagnostics
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Telecom equipment testing and verification
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FTTX network troubleshooting
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Optical transceiver burn-in and loopback testing
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System validation for switches, routers, and optical modules
Frequently Asked Questions (FAQ)
Q1: What is a loopback cable used for?
It creates a closed optical path to test transmit/receive functions, diagnose equipment issues, and verify port performance.
Q2: Is this compatible with SC/UPC ports?
Yes, it is designed specifically for SC/UPC multimode interfaces. It should not be used with APC ports.
Q3: Can this be used for single-mode testing?
This model is OM3 multimode. Single-mode SC loopbacks are available upon request.
Q4: How durable is the loopback cable?
It supports over 500 mating cycles with insertion loss change of ≤0.2 dB.
Q5: Can FiberMania provide branded or customized loopbacks?
Yes — full OEM/ODM services including logo printing, housing color, packaging and fiber type customization are available.
Quality Qulifications and Compliance
To get the detailed certification, please go to the Compliance.
Please Note: Our products comply with all internationally recognized and industry-standard specifications. For customized or special requirement products, we carry out testing and standards in accordance with the conformity criteria specified in the contract.
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