Panduit FZ2RPU1U1NNM004 Opti-Core OM4 LC Duplex Uniboot Fiber Patch Cord

Panduit's FZ2RPU1U1NNM004 delivers OM4 multimode performance in a space-saving uniboot form factor engineered for high-density data center and telecom room deployments. This 4-meter (13.12 ft) plenum-rated patch cord terminates in LC duplex uniboot connectors at both ends, cutting port-space requirements in half compared to traditional duplex LC designs while maintaining full backward compatibility with standard LC infrastructure. The aqua jacket clearly identifies OM4 fiber type per TIA-598-D color coding standards, and the pull-boot connector design enables tool-free disconnect in congested patch panels and cassette arrays where finger access is limited. Ultra Low Insertion Loss construction ensures margin headroom for 40GBASE-SR4 and 100GBASE-SR10 links operating at or near maximum channel loss budgets, making this cord a direct-fit solution for spine-leaf fabrics, equipment distribution area cross-connects, and pre-terminated cassette interconnects in enterprise and colocation environments.

Key Features

• OM4 50/125 µm laser-optimized multimode fiber supports 10 Gb/s to 400m and 40/100 Gb/s to 150m at 850 nm
• LC duplex uniboot connectors reduce patch panel port consumption by 50% vs. traditional duplex LC cables
• Ultra Low Insertion Loss design maximizes link budget margin for extended reach and multi-connector channels
• Plenum (OFNP) flammability rating meets NEC Article 770 for installation in air-handling spaces without conduit
• Pull-boot connector enables one-handed disconnect in dense 1U patch panels and fiber cassettes
• Aqua jacket per TIA-598-D OM4 color standard prevents cross-connections with OM3 or single-mode infrastructure
• RoHS compliant and meets ISO/IEC 11801, TIA-568-C.3, FOCIS-3, and FOCIS-10 standards

Uniboot Design Solves Density and Cable Management Challenges
Traditional duplex LC patch cords use two separate 1.25mm ferrules housed in a dual-boot connector body, consuming two LC ports side-by-side. Panduit's uniboot design consolidates both transmit and receive fibers into a single compact connector that plugs into the same duplex LC footprint but occupies roughly half the horizontal space along the patch panel faceplate. In a fully populated 1U 96-port LC panel, this translates to noticeably improved airflow behind the panel and easier adds/moves/changes when you need to trace or replace a single link. The pull-boot mechanism—an integrated tab molded into the connector body—lets you depress the release latch and extract the connector with one hand, eliminating the need to pinch both boots simultaneously in tight quarters. Installers working in cassette-based 40G and 100G migration projects will recognize this as the same connector style used in MTP-to-LC breakout assemblies, ensuring consistent polarity management and plug/unplug procedures across the infrastructure.

OM4 Fiber Performance and Application Reach
OM4 fiber is laser-optimized multimode with a 50 µm core and 125 µm cladding, manufactured to tighter modal bandwidth specifications than earlier OM3 cable. At 850 nm—the wavelength used by SFP+, QSFP+, and QSFP28 transceivers—OM4 delivers 4700 MHz·km effective modal bandwidth compared to 2000 MHz·km for OM3. This translates to 10GBASE-SR support to 400 meters (versus 300 m for OM3), 40GBASE-SR4 and 100GBASE-SR10 support to 150 meters (versus 100 m for OM3), and emerging 400GBASE-SR8 support to 100 meters. In practical terms, OM4 future-proofs intra-building backbone links and provides sufficient margin for multi-connector channels that include cassettes, bulkheads, or mid-span splice points. The Panduit Opti-Core line is built on low-loss fiber and precision-polished connectors to achieve Ultra Low Insertion Loss across production runs; while TIA-568-C.3 allows up to 0.75 dB insertion loss per mated connector pair, Opti-Core assemblies typically measure well below 0.35 dB, preserving budget for longer spans or additional connections. If you're designing a leaf-spine network with 100 m maximum tier distance, this margin means you can confidently deploy breakout cassettes at both ends of a trunk and still land comfortably within the IEEE 802.3ba loss budget for 40G and 100G Ethernet.

Plenum Rating and Code Compliance
The FZ2RPU1U1NNM004 carries a plenum (OFNP) flammability rating per UL 910 and NFPA 262, qualifying it for installation in environmental air spaces—return-air plenums, raised floors used for HVAC, and above-deck ceiling voids—without the need for metallic conduit or raceway. Plenum-rated cables use a fluoropolymer jacket compound that exhibits low smoke generation and reduced flame propagation compared to riser (OFNR) or general-purpose (OFN) constructions. Local AHJs and building inspectors in commercial office towers, hospitals, schools, and multi-tenant data centers routinely require plenum cable in any space where the cable could contribute fuel to a fire spreading through the HVAC system. Even if your immediate installation is in enclosed conduit, specifying plenum cable avoids future change-order costs when a ceiling reconfiguration or tenant improvement exposes the cable to plenum space. The aqua jacket also meets RoHS Directive 2002/95/EC restrictions on lead, mercury, cadmium, and brominated flame retardants, satisfying procurement requirements for environmentally sensitive projects and government contracts that reference EU RoHS or similar substance-restriction lists.

LC Duplex Connector Ubiquity and Interoperability
LC (Lucent Connector, also known as Little Connector) remains the dominant small-form-factor fiber interface in enterprise networks, storage-area networks, and telecom central offices. Its 1.25 mm ferrule is half the diameter of SC, enabling twice the port density in the same panel space, and its push-pull latching mechanism resists accidental disconnection during vibration or cable bundle movement. Duplex LC is the native interface for SFP, SFP+, SFP28, and QSFP+ transceivers in switches from Cisco, Arista, Juniper, HPE, Dell, and every major networking vendor. By choosing a duplex LC uniboot patch cord, you maintain full backward compatibility with existing LC patch panels, cassettes, and transceiver ports while gaining the cable-management benefits of the uniboot format. Polarity is maintained via the A-B fiber pair inside the single connector body; the connector is keyed to prevent upside-down insertion, and the standard duplex LC clip spacing ensures the connector seats correctly in any TIA-604-10-compliant adapter or transceiver cage. If you later need to interface with a traditional duplex LC cable (for example, connecting this uniboot patch cord to a legacy duplex LC equipment cord), a simple duplex LC-to-uniboot adapter or turnaround module provides the transition without re-termination.

Deployment Scenarios: Data Center Spine-Leaf and Cassette-Based Migration
In a modern leaf-spine architecture, each top-of-rack (leaf) switch uplinks to multiple spine switches using 40G or 100G ports broken out via MTP-to-LC cassettes. A typical migration path starts with 10G SFP+ links between racks, then scales to 40G by re-using the same OM4 cabling infrastructure with QSFP+ transceivers and breakout cassettes. The 4-meter length of the FZ2RPU1U1NNM004 is well-suited for horizontal cross-connects within a single relay rack or between adjacent racks in the same row—common scenarios include patching from a cassette mounted in the middle of a 42U or 45U rack to a switch at the top of the same rack, or linking two enclosures positioned back-to-back in a hot-aisle/cold-aisle layout. In equipment distribution areas (EDA) and horizontal distribution areas (HDA), these patch cords serve as the final interconnect between pre-terminated MTP trunk cables (which run building-backbone distances) and the LC ports on active equipment. Because each end terminates in a factory-polished connector, you eliminate field termination labor and the risk of end-face contamination that accompanies on-site polishing. The pull-boot design becomes especially valuable in cassette arrays where 12 or 24 LC ports are packed into a single 1U module; the extended boot tab provides positive grip and controlled extraction angle, reducing the chance of damaging adjacent connectors or dislodging the cassette from its panel mount.

Standards Compliance and Interoperability Testing
Panduit Opti-Core patch cords are manufactured to meet or exceed TIA-568-C.3 (fiber optic cabling components), TIA-604-3 (FOCIS-3, fiber optic connector intermateability standard for SC), TIA-604-10 (FOCIS-10, covering LC), and ISO/IEC 11801 (generic cabling for customer premises). Insertion loss and return loss are tested on every connector pair during production, and length is verified to ±0.5 meter tolerance to ensure accurate link-loss calculations in design tools and documentation systems. The OM4 fiber itself is qualified to IEC 60793-2-10 type A1a.2 (50/125 µm laser-optimized multimode), which specifies minimum overfilled launch bandwidth of 3500 MHz·km at 850 nm. Panduit's manufacturing process includes end-face geometry inspection per IEC 61300-3-35 to verify fiber height, apex offset, and radius of curvature fall within the connector-performance zones defined by the standard. This level of process control translates to consistent IL performance across production lots and reliable interoperability with connectors and adapters from other TIA-604-10-compliant manufacturers. For projects requiring third-party verification, Panduit provides test reports traceable to NIST-referenced calibration standards, and the product line is listed under UL 1651 and CSA C22.2 No. 214 for communications cable assemblies.

Why This Patch Cord Fits Your Next Install
Specify the FZ2RPU1U1NNM004 when you need OM4 performance, plenum compliance, and space-efficient patching in a single off-the-shelf assembly. The 4-meter length covers the majority of intra-rack and rack-to-adjacent-rack links without excess slack, the uniboot form factor eases congestion in fully loaded patch panels and cassette modules, and the pull-boot connector speeds moves/adds/changes in production environments where downtime windows are measured in minutes. Ultra Low Insertion Loss construction preserves link budget for extended-reach 10G links or multi-connector 40G/100G channels, and the aqua jacket provides instant visual confirmation of OM4 fiber type during audits and troubleshooting. Every cord ships with both ends protected by dust caps and is individually bagged to prevent end-face contamination during storage and installation. Panduit backs the assembly with a comprehensive manufacturer warranty, and the product line is stocked in lengths from 1 meter to 30 meters to address every common patching distance in entrance facilities, telecom rooms, and data center hot aisles.