Black Box 65ft EFN310 Series ST-ST Singlemode Fiber Optic Cable (Yellow)

Overview

The Black Box EFN310-020M-STST is a singlemode fiber optic cable designed for reliable long-distance data transmission, supporting runs up to 20 meters (65.6 feet). It features a 9/125 µm core that enables signal travel over distances significantly longer than multimode cables, making it well suited for network environments where maintaining signal integrity is essential. The cable’s compact LC connectors and durable construction ensure stable connectivity in demanding indoor setups such as data centers and enterprise networks.

Key features

• Singlemode fiber core that supports extended transmission distances with minimal signal loss
• Precision ceramic connectors that reduce insertion loss to approximately 0.2 dB, ensuring efficient data transfer
• OFNR PVC-certified riser jacket designed for safe vertical installation between floors in buildings
• Compact LC connectors that optimize space usage without compromising performance
• High crush resistance up to 750 N/cm, providing durability in environments with physical stress
• Wide operating temperature range from -4 to 158 degrees Fahrenheit, suitable for various indoor conditions

Key specs

• Fiber type: Singlemode 9/125 µm core
• Length: 20 meters (65.6 feet)
• Connector type: LC to LC
• Insertion loss: Typical 0.2 dB
• Cable jacket: OFNR PVC-certified riser
• Crush resistance: Up to 750 N/cm
• Operating temperature: -4 to 158 °F (-20 to 70 °C)

Connectivity and compatibility

This cable is compatible with any networking equipment that supports LC connectors and singlemode fiber optics, including telecom devices, switches, and routers commonly used in enterprise and data center environments. Its compact LC connectors make it a practical choice for high-density patch panels and fiber distribution frames where space is limited.

Installation and setup

The cable’s riser-rated OFNR jacket allows safe installation in vertical spaces such as between floors, meeting building code requirements for indoor use. Its crush resistance and temperature tolerance ensure it maintains performance even in physically demanding or temperature-variable environments. The LC connectors simplify termination and reduce the footprint in patch panels, making setup straightforward for network technicians.

Ideal uses and environments

This fiber optic cable fits well in professional settings requiring long-distance, high-quality data transmission such as data centers, telecom rooms, and enterprise network backbones. It is a strong choice for installations where space is at a premium and durability is critical, including vertical cable runs in multi-story buildings. Network administrators looking for a dependable cable that balances performance and robustness will find this model well suited to their needs.