Panduit FS2EPKDKDNDM001 Opti-Core™ OM4+ Coded Duplex LC Fiber Patch Cord

The Panduit FS2EPKDKDNDM001 delivers a physical-layer security advantage for mission-critical fiber infrastructures where unauthorized patch changes can compromise network integrity. This 1-meter duplex patch cord combines OM4+ Signature Core™ multimode fiber with D-code keyed LC connectors, ensuring that technicians can only mate connectors with matching keyway codes—preventing accidental or intentional cross-connections in high-density data centers, telecom facilities, and secure government installations. The plenum-rated (OFNP) yellow zipcord jacket provides both flame compliance for air-handling spaces and instant visual identification in crowded cable pathways.

Key Features

• D-Code Keyed LC Connectors: Physical coding system prevents mating with non-matching connectors, adding a mechanical layer of protection against patch errors in multi-tenant or high-security environments
• OM4+ Signature Core™ Fiber: Optimized 50/125 µm multimode fiber supports 40/100 Gigabit Ethernet over extended distances with ultra-low insertion loss for maximum link budget
• Plenum-Rated OFNP Jacket: UL 910 compliant for installation in return-air plenums without conduit, meeting NEC Article 770 requirements for commercial buildings
• 1.6 mm Zipcord Construction: Compact dual-fiber cable design simplifies routing in tight spaces and reduces congestion in high-density patch panels
• Yellow Jacket & Connector Boots: High-visibility color coding aids in rapid circuit identification during maintenance and troubleshooting
• Factory-Terminated & Tested: Each cord ships with documented insertion loss performance, eliminating field termination time and ensuring consistent optical quality

The OM4+ fiber specification represents Panduit's next-generation enhancement to standard OM4 multimode fiber. While OM4 officially supports 10GBASE-SR up to 550 meters, OM4+ Signature Core™ fiber incorporates tighter manufacturing tolerances on core geometry and refractive index profile, resulting in lower differential mode delay (DMD) and improved effective modal bandwidth. In practical terms, this translates to greater margin for 40GBASE-SR4 and 100GBASE-SR4 applications over the full 150-meter distance specified in IEEE 802.3ba, and extended reach for 10 Gigabit links beyond the standard 550-meter OM4 specification. The ultra-low insertion loss rating—typically below 0.25 dB per mating pair—preserves precious link budget in multi-tier architectures where every tenth of a decibel counts. For integrators designing storage area networks (SANs), spine-leaf data center fabrics, or AV-over-IP backbones with 10/25/40/100 Gigabit interfaces, OM4+ patch cords deliver the performance headroom needed for future bandwidth upgrades without re-cabling horizontal runs.

The D-code keyed connector system addresses a persistent challenge in colocation facilities, multi-tenant office buildings, and government networks: preventing unauthorized or accidental patch changes at the physical layer. Traditional duplex LC connectors are universal—any plug fits any jack—which creates vulnerability when multiple contractors, tenants, or agencies share the same equipment room. Panduit's coded connector family uses molded keyways that permit mating only with connectors bearing the same code pattern. In a typical deployment, Tenant A's infrastructure uses D-code yellow patch cords, Tenant B uses F-code aqua cords, and Tenant C uses H-code magenta cords. A technician holding a D-code patch cord physically cannot insert it into an F-code jack, even if the colors match. This mechanical enforcement layer complements logical access controls and MAC-based port security, making it significantly harder for an insider threat or undertrained technician to inadvertently bridge isolated networks. The plenum rating (OFNP) ensures the cord meets National Electrical Code and International Building Code requirements for installation in air-handling spaces—critical for overhead cable trays in drop-ceiling environments—while the 1.6 mm zipcord jacket keeps the overall cable diameter compact enough for dense 1U patch-panel breakouts.

Panduit's Opti-Core™ system is engineered for integrators who deploy Cisco UCS, Arista leaf switches, or Dell PowerEdge MX chassis with SR4 optics, where eight or sixteen patch cords converge on a single server or switch faceplate. The combination of keyed connectors, low-profile boots, and bend-insensitive OM4+ fiber reduces the risk of kinked cables and damaged ferrules during MAC (move/add/change) operations. Every cord ships with insertion loss test data traceable to Panduit's ISO 9001 manufacturing process, giving you a documented baseline for acceptance testing and a warranty foundation if link performance degrades over time. For secure facilities requiring TEMPEST or SCIF compliance, the yellow jacket provides instant visual confirmation that fiber patch cords—rather than copper—are in use, supporting physical security audits and eliminating electromagnetic emanation risks inherent in copper cabling.