Panduit FWUYL7575LNM050 QuickNet 24-Fiber OM5 Trunk Cable Assembly
The Panduit FWUYL7575LNM050 is a 24-fiber OM5 wideband multimode trunk cable assembly engineered for high-density data center deployments where speed, space efficiency, and future bandwidth capacity are critical. This 50-meter (164-foot) pre-terminated trunk uses Panduit's QuickNet architecture to eliminate field termination and fusion splicing, reducing installation time by up to 70% compared to traditional pull-and-terminate methods. OM5 fiber supports 40GBASE-SR4 and 100GBASE-SR4 applications at extended distances while maintaining backward compatibility with OM3/OM4 infrastructure, making this trunk a future-proof backbone solution for enterprise networks migrating to 40G, 100G, and emerging 400G switch fabrics. The small-diameter cable design consumes 30-40% less pathway space than conventional 24-fiber trunks, freeing overhead tray capacity and improving airflow in hot-aisle containment environments.
Key Features
- 24-fiber OM5 wideband multimode (50 µm core) supports 40G/100G/400G at extended reach
- 50-meter length optimized for intra-building horizontal runs and floor-to-floor riser connections
- QuickNet pre-terminated design eliminates fusion splicing and field polishing for faster deployments
- Small-diameter cable reduces pathway fill by 30-40%, critical for congested overhead trays and conduit
- LSZH (Low Smoke Zero Halogen) jacket meets plenum-equivalent fire safety requirements for occupied spaces
- Lime jacket color (high-visibility) simplifies circuit tracing and OM5 identification in mixed-fiber environments
- Factory-tested to TIA-568-C.3 and ISO/IEC 11801 insertion loss and return loss specifications
- Exceeds TIA-492-AAAD (OM5) modal bandwidth requirements: 4700 MHz·km @ 850 nm, 2470 MHz·km @ 950 nm
OM5 Wideband Multimode: Future-Proof Bandwidth for Next-Generation Networks
OM5 fiber extends the capability of traditional multimode fiber by adding short-wave wavelength-division multiplexing (SWDM) support across four wavelengths (850, 880, 910, 940 nm). This enables 40GBASE-SR4 and 100GBASE-SR4 transmission over distances up to 150 meters using parallel optics, and supports emerging 400GBASE-SR4.2 applications at 100 meters—double the reach of OM4 at these speeds. For greenfield data centers and network refresh projects, OM5 provides a migration path to higher speeds without re-cabling: existing 10G and 25G SR optics operate seamlessly, while future 100G and 400G upgrades leverage the expanded modal bandwidth. The 50-meter length of the FWUYL7575LNM050 fits the majority of intra-building horizontal runs (equipment row to meet-me room, server rack to spine switch, floor distribution to main distribution area) while staying well within OM5's loss budget of 1.5 dB at 850 nm, leaving headroom for connector cleaning cycles and mid-span pass-throughs.
QuickNet Pre-Terminated Architecture: Installation Speed and Reliability
Panduit's QuickNet trunk assemblies arrive with factory-installed LC duplex connectors (12 duplex pairs for 24 fibers) that have been insertion-loss tested, end-face inspected, and serialized for traceability. This eliminates the variability and time cost of field termination: no fusion splicer rental, no consumable connector inventory, no technician certification overhead, and no risk of contaminated end-faces from job-site dust. In a typical core-to-distribution build-out, a QuickNet trunk installs in under 15 minutes (pull, dress, plug, test) versus 2-4 hours for a field-terminated equivalent, compressing project schedules and reducing labor exposure. The factory test report that ships with each trunk provides baseline insertion loss values for every fiber pair, giving you a known-good reference for acceptance testing and future troubleshooting—critical for SLA-driven colocation environments where you need to prove infrastructure performance independent of active equipment.
Small-Diameter Cable: High-Density Pathway Management
The FWUYL7575LNM050 uses a tight-buffered, reduced-diameter cable construction that achieves a 30-40% smaller cross-sectional area compared to traditional 24-fiber distribution cables. In practice, this means you can fit 50-60% more circuits in the same 4-inch ladder rack or 2-inch conduit fill, deferring costly pathway expansion projects. For hyperscale and colocation data centers operating under strict pathway fill ratios (typically 40-50% per NEC Article 770), small-diameter trunks preserve overhead capacity for future adds without triggering a re-route. The reduced cable mass also improves airflow around hot-aisle containment panels and reduces the load on cable management hardware, extending the service life of J-hooks and vertical managers in seismically active regions where dynamic loading is a concern.
LSZH Jacket: Fire Safety and Indoor Air Quality Compliance
The Low Smoke Zero Halogen jacket formulation meets IEC 60332-1 flame propagation and IEC 61034 smoke density requirements, making this trunk suitable for occupied spaces, underfloor pathways, and above-ceiling plenums in jurisdictions that prohibit PVC cables (common in EMEA, APAC, and increasingly in U.S. healthcare and education verticals). In a fire event, LSZH jackets produce 85% less smoke opacity and emit no hydrochloric acid or dioxins, reducing corrosive damage to adjacent electronics and improving egress visibility. While LSZH is not a direct substitute for plenum-rated (CMP) cable under NEC rules, many AHJs accept LSZH in plenum spaces when installed in enclosed pathways (EMT, wireway) or when the building is sprinklered and equipped with smoke evacuation—verify local AHJ interpretation before specifying. The lime jacket color provides high visibility for circuit tracing in dark equipment rows and helps installers visually distinguish OM5 (lime) from OM4 (aqua) and OM3 (aqua) during mixed-generation deployments, reducing the risk of mismatched optics and fiber-type errors that degrade link performance.
Standards Compliance and Testing
This trunk is manufactured and tested to TIA-568-C.3 (commercial building fiber), ISO/IEC 11801 (generic cabling), TIA-604-5 (FOCIS-5 LC connector geometry), and TIA-492-AAAD (OM5 fiber specifications). Factory testing includes insertion loss at 850 nm and 1300 nm (max 0.75 dB per mated pair), return loss (min 20 dB), and end-face geometry inspection per IEC 61300-3-35 (fiber height, apex offset, radius of curvature). Each trunk ships with a serialized test report showing measured loss for all 24 fibers, which serves as the baseline for acceptance testing and provides a forensic record if a circuit fails later in service. RoHS compliance confirms that the cable and connectors contain no lead, mercury, cadmium, or hexavalent chromium, meeting EU and California restricted-substance requirements for equipment imported into those markets or deployed in environmentally conscious enterprises.
Deployment Scenarios and Design Considerations
The 50-meter length fits horizontal cable runs in buildings with 15-foot slab-to-slab heights (up to three floors vertical), equipment-row-to-distribution-room runs in large data halls (typical max 40 meters), and campus backbone links between adjacent buildings. For longer spans (building-to-building, multi-floor riser), consider Panduit's 100 m, 150 m, or outside-plant armored variants. The 24-fiber count supports 12 duplex links, which maps cleanly to common breakout scenarios: 12× 10G links to a spine switch, 6× 40G SR4 links using MPO-to-LC breakout modules, or 3× 100G SR4 links with appropriate MPO fanouts. If you're installing in a two-post relay rack or wall-mount enclosure with limited slack management, plan for at least 1 meter of service loop at each end to accommodate future re-terminations and equipment moves—QuickNet trunks use pull-proof strain relief boots, but repeated flexing near the connector will eventually fatigue the fiber. Lime LSZH jackets have a minimum bend radius of 10× cable diameter during installation (20× under sustained load), so use large-radius cable managers and avoid zip-tying bundles tighter than 2-inch diameter to preserve the fiber's modal bandwidth and prevent microbending attenuation.
This Panduit QuickNet trunk is backed by manufacturer warranty and is suitable for Tier III and Tier IV data center deployments, BICSI DCDC-compliant structured cabling systems, and TIA-942 Rated-3/Rated-4 telecommunications infrastructure. It is not rated for outdoor use or direct burial; for campus backbone applications, specify outdoor-rated armored trunk assemblies with gel-filled or dry-core water blocking.
