Belden Inc. FDSL144RD OS2 144F Loose Tube Fiber Optic Cable

Product Description

The BELDEN INC. FDSL144RD is a 144-fiber outdoor-rated loose tube OS2 single-mode fiber optic cable with an OFNR (Optical Fiber Nonconductive Riser) rating. Designed for high-fiber-count backbone and riser runs, this cable delivers low-attenuation, long-distance signal transmission across single-mode infrastructure. The loose tube construction protects individual fibers from mechanical stress and moisture intrusion, making it well suited for demanding installation environments. Licensed low-voltage and fiber optic contractors install this cable in commercial and industrial structured cabling systems.

This cable is intended for riser and indoor-outdoor transition applications where a high fiber count and OS2 single-mode performance are required. Typical deployment scenarios include building backbone runs, data center interconnects, and campus distribution segments where the cable transitions from an outdoor pathway into a riser-rated interior route. The OFNR rating satisfies NEC riser-pathway fire code requirements, eliminating the need for innerduct in many riser installations.

Key Features

• 144-fiber count supports high-density backbone and distribution runs
• OS2 single-mode construction provides low-attenuation long-distance performance
• Loose tube design isolates fibers from mechanical stress and thermal expansion
• OFNR rating meets NEC riser fire-propagation requirements
• Outdoor-rated jacket construction resists moisture and environmental exposure

Compatibility

Designed as an OEM-style riser and outdoor backbone fiber optic cable for use with standard OS2 single-mode fiber optic connectors, patch panels, and termination hardware in structured cabling systems.

Installation Notes

Installation should be performed by a licensed low-voltage or fiber optic contractor familiar with TIA-568 and NEC Article 770 requirements. De-energize any adjacent electrical infrastructure before pulling cable through shared pathways. Observe the manufacturer minimum bend radius and maximum pulling tension throughout the run to avoid fiber microbending. Proper end preparation, cleaving, and fusion splicing or mechanical termination should be completed before optical continuity testing.