OM4 Multimode LC/UPC Fiber Loopback Cable
The OM4 Multimode LC/UPC Fiber Loopback Cable is an essential tool for optical network testing and diagnostics, especially suited for high-speed 40G/100G applications. Built with high-performance OM4 multimode fiber and precision LC/UPC connectors, it ensures low insertion loss and excellent repeatability. Commonly used for transceiver testing, system troubleshooting, and signal verification, this loopback cable helps simulate network conditions and verify port functionality in data centers, enterprise networks, and telecom environments.
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$2.70
OM4 Multimode LC/UPC Fiber Loopback Cable
The OM4 Multimode LC/UPC Fiber Loopback Cable is an essential tool for optical network testing and diagnostics, especially suited for high-speed 40G/100G applications. Built with high-performance OM4 multimode fiber and precision LC/UPC connectors, it ensures low insertion loss and excellent repeatability. Commonly used for transceiver testing, system troubleshooting, and signal verification, this loopback cable helps simulate network conditions and verify port functionality in data centers, enterprise networks, and telecom environments.
Specifications
| Fiber Type | OM4 Multimode 50/125μm | Fiber Connector | LC/UPC |
| Insertion Loss | ≤0.25dB | Return Loss | ≥35dB |
| Jacket Type | PVC/LSZH | Durability | Over 500 Cycles (≤0.2dB Change) |
| Operating Temperature | -20°C ~ 70°C | Storage Temperature | -45°C ~ 85°C |
Dimension Drawing

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Related Products
The OS2 Singlemode SC/APC Fiber Loopback Module is specially designed for equipment testing, troubleshooting, and system validation in fiber optic networks. It features a SC/APC connector with an angled end-face to provide ultra-low back reflection, ensuring high return loss and low insertion loss. Built with 9/125μm OS2 singlemode fiber, this loopback module delivers stable and reliable performance, making it ideal for use in telecommunication systems, data centers, and network laboratories. Its compact design and excellent repeatability make it an essential tool for verifying SC/APC interface transceivers.
The OS2 Singlemode SC/APC Fiber Loopback Cable is specifically designed for accurate testing and troubleshooting of singlemode fiber optic systems. Built with 9/125μm OS2 fiber, it ensures low insertion loss and high return loss, making it ideal for long-distance and high-performance applications. The SC/APC connector features an angled end face to minimize back reflection, providing enhanced signal integrity during transceiver and port diagnostics. With its durable, compact, and plug-and-play design, this loopback cable is a dependable tool for network maintenance, lab testing, and equipment verification in telecom and data center environments.
The OM4 Multimode LC/UPC Fiber Loopback Module is engineered for high-speed network testing and diagnostics, especially in 40G/100G multimode environments. Featuring LC/UPC connectors and utilizing 50/125μm OM4 multimode fiber, it ensures low insertion loss, high return loss, and consistent performance. This compact and durable module is ideal for verifying the functionality of transceivers and ports in data centers, enterprise networks, and R&D labs, providing a reliable and efficient solution for system validation and troubleshooting.
The OM2 Multimode SC/UPC Fiber Loopback Cable is designed for efficient testing and troubleshooting of multimode fiber optic networks. Made with 50/125μm OM2 multimode fiber, it supports stable short-range data transmission and is ideal for verifying transceiver functionality and diagnosing port issues. The SC/UPC connector provides low insertion loss and precise alignment, ensuring accurate test results. With its durable, compact, and plug-and-play design, this loopback cable is widely used in telecom labs, data centers, and network maintenance environments.
OS2 Singlemode LC/UPC Fiber Loopback Cable is designed for testing and diagnosing optical network equipment. It features low insertion loss and high return loss, making it ideal for verifying transceiver performance in data centers, telecom systems, and lab environments. Built with precision-polished LC/UPC connectors and OS2 9/125μm singlemode fiber, this loopback cable ensures stable signal reflection and accurate results. Compact and durable, it's a must-have tool for network maintenance and troubleshooting.
























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