1. Scope of application
This Installation Manual suits for the Fiber Optic Splice Closure (Hereafter abbreviated as FOSC), as the guidance of proper installation.
The scope of application is: aerial, underground, pipeline, hand-holes. The ambient temperature ranges from -40 to 65℃.
2. Basic structure and configuration
2.1 Dimension and capacity
| Outside dimension (Height x Diameter) | 460mm×205mm |
| Weight (excluding outside box) | 3000g— 3600g |
| Number of inlet/out ports | 4 pieces in general |
| Diameter of fiber cable | Φ8mm～Φ36mm |
| Capacity of FOSC | Bunchy:24-96 (cores), Ribbon: up to 288 (cores) |
2.2 Main components
| No. | Name of components | Quantity | Usage | Remarks |
| 1 | FOSC cover | 1 piece | Protecting fiber cable splices in whole | Height x Diameter 450mm x 170mm |
| 2 | Fiber optic splice tray (FOST) | Max. 4 trays (bunchy) Max.: 4 trays (ribbon) | Fixing heat shrinkable protective sleeve and holding fibers | Suitable for: Bunchy: 24(cores) Ribbon: 12 (pieces) |
| 3 | Base | 1set | Fixing internal and external structure |
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| 4 | Plastic hoop | 1 set | Fixing between FOSC cover and base |
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| 5 | Seal fitting | 1 piece | Sealing between FOSC cover and base |
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| 6 | Pressure testing valve | 1 set | After inject air, it is used for pressure testing and sealing testing | Configuration as per requirement |
| 7 | Earthing deriving device | 1 set | Deriving metal parts of fiber cables in FOSC for earthing connection | Configuration as per requirement |
2.3 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 protective coat | Configuration as per capacity |
| 3 | Heat shrinkable fixing sleeve (elliptical) |
| Fixing and sealing single fiber cable | Configuration as per requirement |
| 4 | Heat shrinkable fixing sleeve (circular) |
| Fixing and sealing mass of fiber cable | Configuration as per requirement |
| 5 | Branching clip |
| Branching fiber cables | Configuration as per requirement |
| 6 | Earthing wire | 1 piece | Putting through between earthing devices |
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| 7 | Desiccant | 1 bag | Put into FOSC before sealing for desiccating air. |
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| 8 | Labeling paper | 1 piece | Labeling fibers |
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| 10 | Buffer tube | decided by customers | Hitched to fibers and fixed with FOST, managing buffer. | Configuration as per requirement |
| 11 | Aluminum foil paper | 1piece | To protect the bottom of closure and inlet/outlet tubes when heating heat shrinkable fixing sleeve with fire sprays |
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