1. Basic structure and configuration
1.1 Dimension and capacity
| Outside dimension (Height x Diameter) |
420mm×190mm |
|
Weight (excluding outside box) |
2300 g- 2500g |
|
Number of inlet/outlet ports |
5 pieces in general |
|
Diameter of fiber cable |
Φ8mm～Φ25 mm |
|
Capacity of FOSC |
Bunchy: 6-96 (cores), Ribbon: up to 144 (cores) |
1.2 Main components
| No. |
Name of components |
Quantity |
Usage |
Remarks |
|
1 |
FOSC cover |
1 piece |
Protecting fiber cable splices in the whole |
Height x Diameter |
|
2 |
Fiber optic splice tray (FOST) |
Max. 5 trays (bunchy) |
Fixing heat heat-shrinkable protective sleeve and holding fibers |
Suitable for: Bunchy:6,12,24(cores) Ribbon:6 (pieces) |
|
3 |
Fiber holding tray |
1 pcs |
Holding fibers with a protective coat |
|
|
4 |
Base |
1set |
Fixing internal and external structure |
|
|
5 |
Plastic hoop |
1 set |
Fixing between the FOSC cover and base |
|
|
6 |
Seal fitting |
1 piece |
Sealing between the FOSC cover and base |
|
|
7 |
Pressure testing the valve |
1 set |
After injecting air, it is used for pressure testing and sealing testing |
Configuration as per the requirement |
|
8 |
Earthing deriving device |
1 set |
Deriving metal parts of fiber cables in FOSC for earthing connection |
Configuration as per the requirement |
1.3 Main accessories and special tools
| No. |
Name of accessories |
Quantity |
Usage |
Remarks |
|
1 |
Heat-shrinkable protective sleeve |
|
Protecting fiber splices |
Configuration as per capacity |
|
2 |
Nylon tie |
|
Fixing fiber with a protective coat |
Configuration as per capacity |
|
3 |
Heat shrinkable fixing sleeve (single) |
|
Fixing and sealing a single fiber cable |
Configuration as per the requirement |
|
4 |
Heat shrinkable fixing sleeve (mass) |
|
Fixing and sealing the mass of fiber cable |
Configuration as per the requirement |
|
5 |
Branching clip |
|
Branching fiber cables |
Configuration as per the requirement |
|
6 |
Earthing wire |
1 piece |
Putting through between the earthing devices |
|
|
7 |
Desiccant |
1 bag |
Put into FOSC before sealing for desiccating air |
|
|
8 |
Labeling paper |
1 piece |
Labeling fibers |
|
|
9 |
Special wrench |
1 piece |
Tightening the nut of the reinforced core |
|
|
10 |
Metal hoop |
1 set |
For wall mounting and pole hugging |
|
|
11 |
Buffer tube |
decided by customers |
Hitched to fibers and fixed with FOST, managing buffer. |
Configuration as per the requirement |
|
12 |
Aluminum-foil paper |
1pc |
Protect the bottom of FOSC |
|
2. Maintenance and Inspection
Regular maintenance and inspection are essential to ensure the long-term stability and reliability of the fiber optic joint closure. It is recommended to perform a thorough visual and functional inspection at least once every six months. This includes:
Checking the integrity of the sealing fitting and heat shrinkable sleeves for any signs of wear or leakage.
Verifying that the reinforced core fixing nuts remain tight.
Inspecting for water ingress or moisture inside the closure and replacing the desiccant if needed.
Confirm that all fiber splices remain properly protected and secured within the fiber optic splice trays.
Timely maintenance helps to minimize signal loss and extends the lifespan of your fiber optic network.
3. Safety Precautions
During installation and maintenance, always follow safety guidelines:
Wear appropriate personal protective equipment (PPE), such as gloves and safety glasses, to prevent injury from fiber shards or heat sources.
Avoid exposure of the optical fiber to direct flame during heat-shrinking operations, and use the fire sprayer cautiously.
Work in a dry, clean environment to prevent contamination of fiber ends or internal parts.
Handle fiber cores gently to prevent breakage or excessive microbending.
Ensuring safety practices not only protects the installer but also preserves the high performance of the fiber optic network.
4. Ordering Information and Customization Options
Spring Optical Communication offers the GJS-D006 fiber optical vertical joint splice closure box in a variety of configurations to meet diverse installation requirements. Standard packages include all essential components and accessories, but we also support customized solutions:
Tailored capacity (number of cores or trays) based on specific project needs.
Customized cable entry/exit port configurations.
Optional special accessories, such as additional heat-shrinkable sleeves or special earthing solutions.
Contact our sales team to discuss your project's unique demands. We are committed to providing flexible and high-quality solutions.
5. FAQ
Q: What is the operating temperature range of the Dome Heat Shrinkable Seal Fiber Optic Splice Closure (FOSC)?
A: The FOSC can be used in environments with temperatures ranging from -40°C to +65°C, making it suitable for a wide range of outdoor and indoor applications.
Q: What is the maximum capacity of fiber splices that the FOSC can handle?
A: For bunchy fibers, the FOSC can accommodate up to 96 fiber cores. For ribbon fibers, the maximum capacity is up to 144 fiber cores.
Q: Can the FOSC be used for both straight-through and branch splicing?
A: Yes! The FOSC is designed to support both straight-through and branch splicing. The installation manual provides clear instructions for preparing fiber cables depending on the splicing method.
Q: What tools and materials do I need to install the FOSC?
A: Besides the included components and accessories, you will need operator-supplied materials and tools like: Scotch tape, ethyl alcohol, gauze (for cleaning and temporary fixing), Fiber cutter, fiber stripper, pipe cutter, combination pliers, etc. A fusion splicing machine, OTDR tester, and heat source (like a fire sprayer) for heat-shrinking sleeves.
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