



Description
FOSCYN5 Dome Type Heat Shrinkable Fiber Optic Splice Closure (FOSC) is heat shrinkable sealing and suitable for uncut cables.
Specification:
| Model | FOSCYN5 |
| Type | Dome type |
| Sealing Structure | Heat shrinkable |
| Number of Inlet/Outlet ports | 5 ports |
| Cable Diameter | 1 port×38mm, 4 port×20mm |
| Maximum Capacity | Bunchy: 144 fibers;Ribbon:432 fibers |
| Capacity per Splice Tray | Bunchy: single layer: 12 fibers; dual layers: 24 fibers;Ribbon: standard: 6pcs; max.: 12pcs |
| Quantity of Splice Tray | 6pcs |
| Body Material | PC |
| Sealing Material | Thermoplastic rubber |
| Assembling method | Aerial, direct buried, pipelined, wall mounting, manhole |
| Dimension | 470(H)×210(D)mm |
| Net Weight | 2.5~3.3KG |
| Temperature | -40℃~65℃ |
Main Components:
| Item | Name | Usage | Quantity |
| 1 | Housing (Cover) | To protect splices of fiber optic cables | 1pc |
| 2 | Splice Tray | To fix Fiber Splice Protective Sleeves | Max. 6pcs |
| 3 | Fiber Holding Tray | To store loose tube fibers | 1pc |
| 4 | Housing (Base) | To fix internal and external structure | 1pc |
| 5 | Plastic Hoop | To fix Housing Cover and Base | 1pc |
| 6 | Sealing Grommet | To seal Cover and Base | 1 set |
Standard Accessories:
| Item | Name | Usage | Quantity |
| 7 | Heat Shrinkable Protective Tubes and Branching Clip | To seal fiber optic splice closure | As per capacity |
| 8 | Fiber Splice Protective Sleeves | To protect fiber splices | Same as capacity |
| 9 | Nylon Tie | To fix buffer tubes with fibers inside | 8pcs |
| 10 | Grounding Wire | To connect with grounding device | 1pc |
| 11 | Abrasive Cloth | To polish fiber optic cable | 1pc |
| 12 | Labelling Paper | To label fibers | 1 set |
| 13 | Hanging Hoop | To install on wall and pole | 1 set |
| 14 | Heat Shrinkable Fixing Tube (Mass) | To seal fiber cables | optional |
| 15 | Aluminum-foil Paper | To protect cable ports when heated | 1pc |
Optional Accessories:
| Item | Name | Usage | Quantity |
| 1 | Valve | To perform pressure and sealing testing | 1pc |
| 2 | Grounding Device | To derive metallic components of fiber cable | 1 set |
| 3 | Buffer Tube | To protect fibers and be fixed on splice trays | specified |
| 4 | Desiccant | To desiccate air in FOSC after sealing | 1 bag |
FAQ
Q1: What is the main application and structural design of the FOSCYN5 Dome Type Splice Closure?
A: The FOSCYN5 is a dome-type Fiber Optic Splice Closure (FOSC) featuring reliable heat-shrinkable sealing engineered to protect fiber splices, including uncut mid-span cables. It is built for multi-environment deployments, including aerial, direct buried, underground pipeline, wall-mounting, and manhole installations.
Q2: What are the primary cable entry port and fiber capacity specifications for the FOSCYN5?
A: Port and capacity specifications include:
- Entry/Exit Ports: 5 total ports (1 oval port × 38 mm diameter; 4 round ports × 20 mm diameter).
- Bunchy Fiber Capacity: Up to 144 fibers across a maximum of 6 splice trays (12 fibers per single-layer tray / 24 fibers per dual-layer tray).
- Ribbon Fiber Capacity: Up to 432 fibers.
Q3: What are the material construction, physical dimensions, and operating conditions of the FOSCYN5 closure?
A: Technical specifications include:
- Body & Sealing Materials: Polycarbonate (PC) outer body with thermoplastic rubber sealing.
- Dimensions & Weight: 470 (H) × 210 (D) mm body | 2.5 kg to 3.3 kg net weight.
- Temperature Rating: Designed to withstand severe outdoor environments from -40°C to +65°C.
- Included Components: Features 1 fiber holding tray, heat shrink protective tubes, grounding wire, hanging hoop set, and aluminum-foil heat protection.
Q4: Who manufactures the FOSCYN5 splice closure and what is its reference price?
A: Manufactured by FirstFiber Technologies, the FOSCYN5 Dome Type Heat Shrinkable Fiber Optic Splice Closure carries a reference price starting at $27 USD.
Q5: How can I select capacity options and submit a quote request?
A: Select your required capacity option (ranging from 24 Cores to 144 Cores) on the product page and click “Add to Quote” for a volume quotation or “Request a Demo” to submit an evaluation inquiry.




