FS 144 Fibers Dome Splice Closure is a versatile and reliable fiber management solution engineered for splicing, branching, and protecting fiber connections in FTTx, backbone, and access networks. The product comes with one pre-installed 36-fiber splice tray and supports up to 4 trays, enabling a maximum splice capacity of 144 fibers. It features 1 oval port and 4 round ports compatible with loose tube, and SZ stranded cables with outer diameters ranging from Φ8 to 18mm. Ideal for aerial, duct, handhole, direct burial, and wall-mounted deployments, it offers broad application adaptability across various installation environments.
Constructed with a rugged PP+GF housing, the closure delivers exceptional resistance to UV radiation, moisture, corrosion, and mechanical impact. The reinforced inner structure enhances durability and maintains fiber integrity under harsh outdoor conditions. A snap-fit sealing mechanism allows quick cover opening without tools, ensuring simple operation and convenient maintenance in scenarios requiring frequent access. Compliant with industry standards, this closure guarantees long-term reliability and superior performance in demanding scenarios.
Click to open expanded view








Product Highlights
144 Fibers 2In-4Out Dome Fiber Optic Splice Closure, Mechanical Seal, with 1 Pre-installed Fusion Splice Tray
Durable IP68-rated enclosure designed for reliable splicing and sealing across FTTx backbone and access deployments.
Constructed from durable PP+GF and sealed with a robust mechanical system, the closure ensures IP68 protection against water, dust, and corrosion, withstanding repeated opening in harsh outdoor environments.
Up to four stackable, flip-up 36F Trays provide 144-fiber capacity, combining dense splicing with easy maintenance access. With broad cable compatibility and adaptable 8–18mm ports, it ensures flexible deployment in complex network environments.
Supports wall-mount, aerial, pole, and underground installation for rapid deployment across diverse scenarios.
Ideal for FTTx access, metropolitan area networks, and enterprise campuses, enabling efficient network expansion and reliable performance.
Product Series | S039 | S007 | S007 | S007 | S010 | S074 |
Closure Style | Dome | Dome | Dome | Dome | Dome | Dome |
Material | PP+GF | PP+GF | PP+GF | PP+GF | PP+GF | PP+GF |
Cable Port Quantity | 5 | 5 | 5 | 7 | 5 | 7 |
Sealing Type | Mechanical Seal | Mechanical Seal | Mechanical Seal | Mechanical Seal | Housing: Mechanical Sealing Ports: Heat Shrink Seal | Mechanical Seal |
Cable Diameter | Φ8-18mm | 1x Oval Port: Φ8mm-18mm
4x Round Ports: Φ8mm-20mm | 1x Oval Port: Φ8mm-22mm
2x Big Round Ports: Φ6mm-14mm 2x Small Round Ports: Φ8mm-18mm | 1x Oval Port: Φ8mm-22mm
6x Round Ports: Φ8mm-18mm | Φ8-18mm | 1x Oval Port: Φ10mm-27mm
4x Big Round Ports: Φ10mm-27mm 2x Small Round Ports: Φ10mm-19mm |
Protection Grade | IP68 | IP68 | IP68 | IP68 | IP68 | IP68 |
Splice Capacity | 144 Fibers | Single: 144 Fibers Ribbon: 432F/6F Band; 572F/12F Band (Customizable) | Single: 240 Fibers
Ribbon: 720F/6F Band; 960F/12F Band (Customizable) | 288 | 72 Fibers | 288 Fibers |
Weight | 3.8-4.3kg | 4kg | 5.2kg | 5.3kg | 2.5-3.2kg | 4.5kg |
Splice Tray Capacity | 36 Fibers | 24 Fibers | 24 Fibers | 24 Fibers | 12 Fibers | 48 Fibers |
Splice Tray Count | 4 | 6 | 10 | 12 | 6 | 6 |
Tray Size | 0.39''×4.72''×9.25'' (10×120×240mm) | 0.39"x4.33"x9.21"(10x110x234mm) | 0.39"x4.33"x9.21"(10x110x234mm) | 0.39"x4.33"x9.21"(10x110x234mm) | 0.39''x4.33''x5.12'' (10x110x130mm) | 0.47"x5.51"x12.87"(12x140x327mm) |
Closure Size | 20.67''x8.86''(525xΦ225mm) | 17.91"x8.86"(455xΦ225mm) | 18.70"x10.24"(475xΦ260mm) | 24.02"x10.24"(610xΦ260mm) | 15.55''x8.86''(395xФ225mm) | 23.23"x8.86"(590xΦ225mm) |
Operating Temperature | -40 to 65°C (-40 to 149°F) | -40 to 65°C (-40 to 149°F) | -40 to 65°C (-40 to 149°F) | -40 to 65°C (-40 to 149°F) | -40 to 65°C (-40 to 149°F) | -40 to 65°C (-40 to 149°F) |
Ports: Heat Shrink Seal
4x Round Ports: Φ8mm-20mm
2x Big Round Ports: Φ6mm-14mm
2x Small Round Ports: Φ8mm-18mm
6x Round Ports: Φ8mm-18mm
4x Big Round Ports: Φ10mm-27mm
2x Small Round Ports: Φ10mm-19mm
Ribbon: 432F/6F Band; 572F/12F Band (Customizable)
Ribbon: 720F/6F Band; 960F/12F Band (Customizable)