Panduit FW2RPU1U1NNM020 OM5 20m LC Duplex Fiber Cord

Panduit FW2RPU1U1NNM020 Opti-Core OM5 20m LC Duplex Uniboot Fiber Patch Cord

The Panduit FW2RPU1U1NNM020 is a 20-meter OM5 wideband multimode fiber patch cord engineered for 100G, 200G, and 400G Ethernet deployments in high-density datacenters and enterprise network cores. Built on 50µm OM5 fiber optimized for shortwave wavelength-division multiplexing (SWDM), this duplex patch cord uses space-saving LC uniboot connectors on both ends to reduce congestion in spine-leaf architectures and top-of-rack switch ports. The plenum-rated (OFNP) lime green jacket meets IEC 60332-1-2 flammability standards for air-handling spaces and provides instant visual identification of OM5 infrastructure per TIA-492AAAE color conventions. Panduit's Opti-Core construction delivers factory-terminated UPC polish on both connectors, ensuring insertion loss below 0.35 dB and return loss exceeding 50 dB for reliable 400GBASE-SR4.2 and 400GBASE-DR4 transceiver performance across horizontal datacenter runs.

Key Features

• OM5 wideband 50µm multimode fiber supports 100GBASE-SR4, 200GBASE-SR4, 400GBASE-SR4.2, and SWDM applications up to 400m
• LC duplex uniboot connectors on both ends save 50% faceplate space vs. traditional duplex LC footprint
• 20-meter (65.6 ft) length suits medium-distance horizontal runs between racks, rows, or distribution points
• Plenum-rated OFNP jacket (IEC 60332-1-2) approved for installation in air-handling ceiling and floor plenums
• Lime green jacket provides instant OM5 identification and simplifies polarity management in mixed-fiber environments
• Factory-terminated UPC connectors guarantee <0.35 dB insertion loss and >50 dB return loss per industry standards
• Backward compatible with OM3 and OM4 infrastructure when speed requirements allow
• 2.0 mm round cordage balances flexibility for tight bend radius (15 mm dynamic) with mechanical durability

OM5 fiber represents the current multimode standard for datacenter spine-leaf fabrics running 100G, 200G, and 400G Ethernet over extended distances. Unlike OM3 and OM4, which optimize single-wavelength transmission at 850 nm, OM5 expands the effective modal bandwidth across 850–950 nm to support shortwave wavelength-division multiplexing. In practical terms, this means a single OM5 duplex link can carry four parallel 100G channels using SWDM optics, delivering 400G over distances up to 400 meters—double the reach of OM4 at equivalent data rates. For integrators deploying 400GBASE-SR4.2 or preparing for 800G SWDM roadmaps, OM5 provides future-proof infrastructure without requiring immediate transceiver upgrades. The Panduit FW2RPU1U1NNM020 pairs with standard BiDi, PSM4, and DR4 transceivers in existing OM3/OM4 networks while unlocking SWDM capabilities when optics arrive. Backward compatibility ensures you're not locked into a forklift upgrade cycle; 10GBASE-SR, 25GBASE-SR, 40GBASE-SR4, and 100GBASE-SR4 all run reliably over OM5 infrastructure, allowing incremental migration as switch generations turn over.

The LC duplex uniboot connector design solves two persistent datacenter problems: faceplate congestion and accidental polarity reversals. Traditional duplex LC patch cords use separate duplex clips housing two individual ferrules, consuming roughly 14 mm of horizontal faceplate space per port. Uniboot connectors integrate both fibers into a single compact housing measuring approximately 7 mm wide, effectively doubling port density on QSFP28, QSFP56, and QSFP-DD transceiver faceplates. In 1U spine switches with 32× 400G QSFP-DD ports, uniboot patch cords prevent the cable-management chaos that forces integrators to skip ports or add horizontal cable managers. The single-piece uniboot body also incorporates a polarity-reversal tab: rotating the tab 180° inside the housing swaps the A and B fiber positions without removing connectors or re-terminating cables. This field-reversible polarity is essential when migrating from Method A to Method B TIA-568 trunk polarity or troubleshooting transceiver TX/RX mismatches in parallel optics. The lime green 2.0 mm round jacket balances flexibility for tight 15 mm dynamic bend radius around vertical cable managers with enough rigidity to prevent kinking during installation. Panduit's crush-resistant cordage construction survives the repeated pulls and cinching common in dense top-of-rack environments where 48–96 patch cords terminate in a single 1U horizontal manager.

Plenum rating (OFNP per NEC Article 770) allows installation in air-handling spaces above drop ceilings and below raised floors without requiring conduit or fire-rated enclosures. In datacenter hot-aisle/cold-aisle designs where overhead cable trays run through the return-air plenum, non-plenum cables are a code violation in most US jurisdictions and will fail inspection. The FW2RPU1U1NNM020's OFNP jacket uses low-smoke, limited-flame-spread compounds that meet IEC 60332-1-2 vertical flame propagation limits, reducing the risk of toxic smoke generation during a fire event. This rating is particularly critical in colocation facilities and multi-tenant datacenters where BICSI and local AHJ inspections scrutinize every cable above the tile. The lime green jacket color follows TIA-492AAAE Annex F recommendations for OM5 identification, providing instant visual differentiation from aqua (OM3/OM4), orange (OM1/OM2), and yellow (single-mode) infrastructure. In mixed-fiber environments—common during 10G-to-100G-to-400G migration phases—color-coded jumpers prevent accidental cross-connection of incompatible fiber types and simplify MAC (move/add/change) work orders when technicians trace links under time pressure.

Panduit's Opti-Core factory termination eliminates the field-polish variability that introduces excess insertion loss and back-reflection in hand-terminated patch cords. Each LC connector ships with UPC (Ultra Physical Contact) ferrule end-face geometry, achieving <0.35 dB insertion loss and >50 dB return loss per TIA-568.3-D and IEC 61753-1 Grade B performance. These figures matter most in 400G SR4.2 and DR4 applications, where a single dirty or scratched connector can push bit-error rates above the 10⁻¹² threshold and trigger forward-error-correction overhead that throttles effective throughput. The 20-meter length suits horizontal datacenter runs from end-of-row distribution switches to mid-row racks, or from top-of-rack leaf switches to spine switches in adjacent rows. It bridges the gap between 10–15 m intra-row jumpers and 30–50 m inter-row trunks, covering the 50–70 ft distances common in modular datacenter PODs and retrofitted warehouse conversions. For iSCSI storage fabrics, NVMe-oF networks, and hyperconverged clusters where every microsecond of latency compounds across distributed transactions, keeping physical link distances under 25 m minimizes propagation delay while OM5's low modal dispersion preserves signal integrity at 400G line rates without requiring mode-conditioning or offset-launch techniques.