Panduit FST48 High-Density Fusion Splice Tray Kit

The Panduit FST48 delivers organized splice management for high-density fiber termination points. Engineered for up to 48 discrete fusion splices in a compact aluminum tray, this Opticom® series kit addresses the challenge of protecting and organizing fusion splice points in datacenter cross-connects, headend facilities, and outside plant demarcation enclosures. Each tray provides secure strain relief and bend-radius protection for spliced fibers while maintaining accessibility for future adds, moves, and changes. Compatible with Panduit's 4RU rack-mount splice enclosures (FRMHSS-4RU, FRMHSST-4RU) and wall-mount fiber splice enclosures (FWMHSS*S series in 3456 and 6912 configurations), the FST48 integrates into standardized fiber infrastructure deployments.

Key Features

• 48-splice capacity per tray for high-density termination
• Aluminum construction for durability and heat dissipation
• Direct-fit compatibility with Panduit FRMHSS-4RU and FRMHSST-4RU 4RU rack enclosures
• Compatible with FWMHSS*S-3456 and FWMHSS*S-6912 wall mount enclosures
• Compact 6.26" × 0.45" profile (159mm × 11.4mm) for space-efficient stacking
• RoHS compliant for environmentally responsible deployment

Fusion splice protection is critical in permanent fiber installations where mechanical connectors aren't viable or where insertion loss budgets are tight. The FST48's aluminum tray platform provides rigid support for splice protection sleeves while the low 0.45-inch profile allows multiple trays to stack within a single 4RU enclosure. Each splice position accommodates standard 60mm fusion splice protectors, and the tray's design maintains the 30mm minimum bend radius required by TIA-568 and ISO/IEC 11801 standards. The black anodized finish resists corrosion in high-humidity environments common in outside plant cabinets and below-grade vaults. When you're terminating 144-fiber or 288-fiber trunk cables in a datacenter meet-me room, the FST48's capacity lets you organize splices by destination—one tray per zone or rack row—making future troubleshooting and circuit identification faster.

Deployment context matters when selecting splice management hardware. The FST48 fits Panduit's ecosystem of modular fiber enclosures, so if you're already standardized on Panduit's cassette-based systems or OptiCam® adapter panels, adding fusion splice capacity doesn't require a parallel product line. Wall-mount installations benefit from the tray's compatibility with the FWMHSS series—common in MDU/MTU fiber-to-the-premises drops and small cell backhaul sites where rack space isn't available. The kit ships with mounting hardware and splice organizers, and the single-unit package quantity keeps inventory straightforward for project-specific procurement. For integrators managing fiber builds across multiple sites, the FST48's compatibility matrix and published dimensions eliminate guesswork during the design phase.

RoHS compliance ensures the FST48 meets European Union Directive 2011/65/EU restrictions on hazardous substances, a requirement for projects with international scope or clients with environmental procurement policies. The aluminum material choice supports both mechanical durability and thermal management—important when trays are fully populated and housed in sealed enclosures with limited airflow. For projects requiring NEBS-certified splice enclosures, verify that your chosen Panduit enclosure model carries the appropriate GR-63 or GR-1089 certifications; the FST48 itself is rated for use within those certified housings. This tray is the organizing backbone for fusion splice infrastructure—pair it with compatible enclosures and you have a scalable, standards-compliant splice management system that supports current deployments and future growth without rework.