How to Install a Fiber Splice Closure? (QL-CD-10002)

How to Install a Fiber Splice Closure? (QL-CD-10002)

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) 540mm×205mm
Weight (excluding outside box) 3000 g— 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
4 Plastic hoop 1 set Fixing between FOSC cover and base
5 Seal fitting 1 piece Sealing between FOSC cover and base
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
7 Desiccant 1 bag Put into FOSC before sealing for desiccating air.
8 Labeling paper 1 piece Labeling fibers
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

3. Necessary tools for installation
3.1 Supplementary materials (to be provided by operator)

Name of materials Usage
Scotch tape Labeling, temporarily fixing
Ethyl alcohol Cleaning
Gauze Cleaning

3.2 Special tools (to be provided by operator)

Name of tools Usage
Fiber cutter Cutting off fiber cable
Fiber stripper Strip off protective coat of fiber cable
Combo tools Assembling FOSC

3.3 Universal tools(to be provided by operator)

Name of tools Usage and specification
Band tape Measuring fiber cable
Pipe cutter Cutting fiber cable
Electrical cutter Take off protective coat of fiber cable
Combination pliers Cutting off reinforced core
Screwdriver Crossing/Paralleling screwdriver
Scissor
Waterproof cover Waterproof, dustproof
Metal wrench Tightening nut of reinforced core

3.4 Splicing and testing instruments (to be provided by operator)

Name of instruments Usage and specification
Fusion Splicing Machine Fiber splicing
OT DR Splicing testing
Provisional splicing tools Provisional testing

Notice: The above-mentioned tools and testing instruments should be provided by the operators themselves.

4.  Installation flow chart

1. Open the closure

2. Determine length of fiber cable to be fixed and stripped inside FOSC

3. Strip off protective coats of fiber cable and fiber

4. Separate fiber cores and prepare work prior to fixing fiber cable

5. Fix reinforced core, and pyrocondense, fix and seal fiber cable cable

6. Splice fibers

7. Install heat shrinkable protective sleeve and house fibers

8. Check up comprehensively

9. Assemble FOSC housing and fix FOSC

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Post time: Dec-04-2019