Panduit FYZWP77Y002F028 48-Fiber OM4 HD Flex Trunk

Panduit FYZWP77Y002F028 48-Fiber OM4 HD Flex Trunk Cable

The Panduit FYZWP77Y002F028 is a 48-fiber OM4 multimode trunk cable engineered for high-density datacenter and telecom room deployments where rack space, cable management, and installation speed drive design decisions. Factory-terminated with MPO female connectors on both ends, this QuickNet™ HD Flex trunk eliminates field termination, reduces deployment time from hours to minutes, and delivers tested insertion loss performance out of the box. The small-diameter plenum-rated jacket meets OFNP flammability requirements for air-handling spaces while maintaining a bend radius that fits tight cable trays and congested pathways.

Key Features

• 48-fiber OM4 multimode (50/125µm) trunk with factory-installed MPO female connectors on both ends
• QuickNet™ HD Flex small-diameter design reduces pathway fill and eases routing in congested racks
• Plenum-rated (OFNP) jacket for air-handling spaces per NEC Article 770
• Pre-tested at the factory for insertion loss and return loss; ships with test reports
• Supports 40GBASE-SR4 and 100GBASE-SR4 applications up to 150 meters
• TIA-568.3-D and ISO/IEC 11801 compliant for enterprise structured cabling systems
• Reduced bend radius minimizes stress on fibers during installation in tight spaces

The OM4 fiber specification delivers 550-meter reach at 10 Gigabit Ethernet and extends to 150 meters for 100GBASE-SR4 applications, making this trunk cable a future-ready backbone for spine-leaf datacenter architectures and high-bandwidth aggregation links. Each of the 48 fibers is laser-optimized multimode with 50µm core and 125µm cladding, tested to meet OM4 bandwidth specifications of 4700 MHz·km at 850nm. The MPO connector geometry uses a 12-fiber array in a single ferrule, meaning this 48-fiber trunk presents four rows of 12 fibers each, enabling breakout to four separate 12-fiber channels or direct mating with MPO-based cassettes and patch panels. Polarity is maintained through keyed connectors, and the female MPO interface ensures compatibility with male MPO patch cords and bulkheads in a structured cabling system.

Pre-terminated trunk cables solve the primary pain point in high-density fiber deployments: the labor, skill, and time required to fusion-splice or epoxy-polish connectors in the field. A single technician can route this trunk from a main distribution frame to an equipment rack, secure it, and have 48 fibers live in under 30 minutes—a task that would take a two-person crew four to six hours with field termination. Factory testing eliminates the insertion loss variability and polarity errors that plague field work, and the included test reports provide baseline documentation for troubleshooting and certification against TIA-568 performance tiers. For datacenter operators planning 40G or 100G server uplinks, this trunk delivers the physical layer without the risk of a failed termination taking down a revenue-generating link.

The QuickNet™ HD Flex jacket is specifically designed for the realities of modern datacenter cable management. Standard OM4 trunks use thick, stiff jackets that consume valuable pathway space and resist bending into tight corner radii; this HD Flex variant uses a reduced-diameter jacket that maintains plenum fire rating while improving flexibility. The result is easier routing through horizontal cable managers, vertical riser ducts, and under-floor trenches where multiple 48-fiber trunks must coexist with power cables, copper Category 6A bundles, and HVAC ducting. The minimum bend radius is specified at ten times the cable diameter during installation and twenty times at rest, meaning you can route this trunk around equipment edges and through J-hooks without risking fiber microbending or attenuation spikes.

Integration into a structured cabling system typically follows one of two patterns. In a spine-leaf datacenter architecture, this trunk runs from a core switch in the main distribution area to a breakout panel or MPO cassette at the leaf layer, where individual 12-fiber or duplex LC breakout cables connect to server NICs or top-of-rack switches. In a telecom room or enterprise network, the trunk may connect an MPO-based fiber distribution panel to a remote equipment closet, with field-installable MPO-to-LC cassettes providing the transition to duplex patch cords. The 48-fiber count aligns with industry-standard 1U and 2U fiber panels that accept four 12-fiber MPO inputs, meaning this trunk fully populates a single panel without wasted capacity or orphaned fibers.

Field testing and certification follow standard procedures for MPO trunk cables. Upon installation, verify physical continuity with a visual fault locator to ensure no fiber breaks occurred during routing. Use an MPO reference-grade test jumper and light source to measure insertion loss at 850nm and 1300nm wavelengths, comparing results against the factory test report. For mission-critical links, OTDR testing can identify reflective events, splice points, and fiber length; baseline these measurements during commissioning so future troubleshooting can isolate degradation from moves, adds, or environmental stress. The factory-installed connectors are tested to meet or exceed TIA-568.3-D insertion loss limits of 0.75 dB per mated pair, and return loss specifications ensure minimal back-reflection that could degrade sensitive 40G and 100G optics.

Long-term durability in datacenter environments depends on proper cable management and adherence to bend radius specifications. Use velcro straps or ladder-style cable managers rather than zip ties, which can create pinch points that stress individual fibers. Route trunks with service loops at both ends to accommodate future equipment moves without re-pulling cable. Label both ends of the trunk with circuit IDs that match your fiber documentation, and document the polarity method (Method A, B, or C per TIA-568) so future technicians don't introduce polarity mismatches during breakout or patching. When planning for 100G migrations, verify that your active equipment supports the SR4 parallel optics standard and that your MPO cassettes or breakout cables are tested to OM4 specifications; deploying OM3-rated breakouts on an OM4 trunk limits your effective reach to OM3 distances.

This trunk meets TIA-568.3-D specifications for optical fiber cabling, ISO/IEC 11801 standards for generic cabling systems, and ANSI/TIA-942-B requirements for telecommunications infrastructure in datacenters. The plenum (OFNP) rating complies with NEC Article 770 for installation in air-handling spaces without conduit, a requirement in most commercial buildings where cables route above drop ceilings or below raised floors. Panduit's QuickNet™ HD Flex platform is engineered for the integrator who needs to meet contract milestones, pass inspection, and hand off a system that won't generate service calls when a poorly terminated connector starts dropping packets under load.