Panduit FWUYL7575KNM008 OM5 24-Fiber Trunk Cable Assembly
The Panduit FWUYL7575KNM008 is an 8-meter OM5 QuickNet trunk cable assembly engineered for high-density data center deployments where space, insertion loss, and future bandwidth headroom are critical design constraints. This 24-fiber trunk uses Panduit's SigCore HD Flex cable—30-40% smaller in diameter than standard OM4 trunks—with PanMPO female connectors on both ends, Method A polarity, and Ultra Insertion Loss performance. The lime LSZH jacket meets international flammability standards for enclosed pathways, making it compliant for installations where traditional PVC is prohibited. Integrators deploying 40/100/400GbE spine-leaf fabrics or upgrading legacy OM3/OM4 infrastructure gain a future-ready backbone that supports short-wave wavelength-division multiplexing (SWDM) without re-cabling.
Key Features
- OM5 50/125 µm multimode fiber rated for 400GbE at 150m and SWDM applications up to 440m
- 24-fiber count in SigCore HD Flex construction—uses 30-40% less pathway fill than conventional trunk assemblies
- PanMPO female to PanMPO female connectors with Method A polarity (key-up to key-down orientation)
- Ultra Insertion Loss performance—factory-tested to ≤0.35 dB per connector, ensuring margin for high-speed optics
- Low Smoke Zero Halogen (LSZH) jacket compliant with IEC 60332-3-24 for plenum and riser installations
- 26.25 ft (8 m) length factory-terminated and tested, eliminating field-termination labor and insertion-loss variability
- Lime jacket for instant OM5 identification per TIA-598-D color-code standards
- RoHS compliant and meets TIA-568-C.3, ISO/IEC 11801, and IEC 60793-2-10 Type A1a.3 specifications
OM5 Migration Path and SWDM Readiness: OM5 fiber was standardized specifically to enable short-wave wavelength-division multiplexing over multimode links—four simultaneous 850-950 nm wavelengths on a single fiber pair, quadrupling effective bandwidth without adding fiber count. While your 40GBASE-SR4 and 100GBASE-SR4 optics use OM5 identically to OM4 today, upgrading to OM5 trunk infrastructure now preserves the option to deploy 400GBASE-SR4.2 (400GbE over eight fibers instead of sixteen) or future SWDM transceivers when optics pricing shifts. Panduit's SigCore OM5 fiber is backward-compatible with OM3/OM4 optics at their rated distances, so there's no day-one penalty—you gain extended reach on BiDi and SWDM links as a future benefit. The Ultra Insertion Loss spec (<0.35 dB per MPO connector vs. industry-standard 0.5 dB) recovers 0.3 dB per mated pair, translating to ~10-15% additional link budget for optics operating near their maximum distance or for links with multiple patch points. In a three-tier spine-leaf topology with MPO cassettes at each tier, that margin prevents borderline BER issues when you're mixing vendor optics or running cables through tight-bend cable managers.
High-Density Pathway Design: SigCore HD Flex cable measures 4.8 mm OD for this 24-fiber assembly—compared to 6.4 mm for conventional round-jacket OM4 trunks of the same fiber count. In a 4-inch horizontal cable manager or overhead ladder rack, that 25% reduction in cross-sectional area means fitting ~30% more trunks per pathway before exceeding 40% fill ratio per TIA-569-D. The LSZH jacket is rated for 5× the bend cycles of PVC under IEC 60794-1-2-E11, critical when trunks route through hinged patch panels or swing-out rack doors that flex during maintenance. The lime color provides instant visual differentiation from OM3 (aqua) and OM4 (erika violet) during adds/moves/changes—reducing the risk of accidentally patching 10GBASE-SR into an OM3 uplink rated for 300m and seeing it fail at 350m. For installations in Canada, EU, or Asia-Pacific regions where LSZH is code-mandated for enclosed cable pathways (NFPA 90A equivalent), this assembly eliminates the need for metallic conduit or fire-stopping field modifications that add 20-30% to installation labor.
Method A Polarity and MPO Ecosystem Compatibility: This trunk is wired Method A (TIA-568-C.0 Annex D): Position 1 on Connector A maps to Position 1 on Connector B, requiring a polarity-flip adapter or Method B cassette at one end to achieve transmit-to-receive mapping for duplex transceivers. Panduit's FAP module cassettes and FZ breakout panels support all three Methods (A, B, C) via keyed adapters, so you can integrate this trunk into existing Cisco, Juniper, or Arista fabrics without custom harnesses. The PanMPO female connectors use Panduit's zero-stub ferrule design—the fiber end-face is co-planar with the ferrule, not recessed—eliminating the air gap that causes return loss spikes in traditional MPO connectors. Each assembly ships with individually serialized test reports showing insertion loss per fiber pair and return loss per connector (typically >30 dB), so you can verify link budget before optics are installed. The 8-meter length is optimized for top-of-rack to middle-of-adjacent-rack runs in 42U cabinets spaced on 600mm centers—long enough to route through overhead managers with service loop, short enough to avoid excess coiling that adds insertion loss.
Factory-terminated MPO trunks eliminate the field variables that cause 70% of fiber link failures: contamination during termination, inconsistent polish geometry, and ferrule end-face damage from handling. Every Panduit QuickNet assembly is manufactured in an ISO Class 6 cleanroom, interferometer-tested for geometry per IEC 61300-3-35, and aged under thermal cycling to screen for latent connector defects. For integrators bidding design-build data center projects, specifying factory assemblies reduces your punch-list risk and cuts installation time by ~40 minutes per trunk versus field termination—on a 200-trunk spine deployment, that's 130 labor-hours saved. This trunk meets TIA-568-C.3 for commercial building telecommunications cabling, ISO/IEC 11801 for international structured cabling, and RoHS 3 (2015/863/EU) for hazardous substance restrictions, ensuring compliance across North American, European, and APAC procurement standards.
