Dome type Fiber Closure-D021

Dome type Fiber Closure-D021

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CO Subsystem

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Fiber Optical Splice Closure (FOSC)

FOSC is a device which have function of optical transmission link, providing several of fiber optical cable through, branching and related connecting protection. IP safety rate is IP65-68. Some of them can be installed 1×2:32 PLC splitter or 2X2:16 PLC splitter. The product is excellent in sealing performance, easy for installation, wide application. It’s your best choice for fiber connection.

 

OMCD021

 

  1. 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, wall-mounting, duct-mounting and handhole- mounting. The ambient temperature ranges from –40℃ to +65℃.

2. Basic structure and configuration

2.1 Dimension and capacity

Outside dimension (Height x Diameter) 470mm×210mm
Weight (excluding outside box) 2350 g— 3500g
Number of inlet/out ports 9 pieces in general
Diameter of fiber cable Φ8mm~Φ25 mm
Capacity of FOSC Bunchy: 24-144 (cores), Ribbon: up to432(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 Diameter355mm x 150mm
2 Fiber optic splice tray (FOST)

Max. 6 trays (bunchy)

Max. 6 trays (ribbon)

Fixing heat shrinkable protective sleeve and holding fibers

Suitable for: Bunchy:12,24(cores) Ribbon:6 (pieces)

3 Fiber holding tray

1 pcs

Holding fibers with protective coat

4 Base 1set Fixing internal and external structure
5 Plastic hoop 1 set

Fixing between FOSC cover and base

6 Seal fitting 1 piece

Sealing between FOSC cover and base

7

Pressure testing valve

1 set After inject air, it is used for  pressure testing and sealing testing Configuration as per requirement
8

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 (single) Fixing and sealing single fiber cable

Configuration as per requirement

4 Heat shrinkable fixing sleeve (mass) 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
9 Special wrench 1 piece Tightening nut of reinforced core
10 Buffer tube

decided by customers

Hitched to fibers and fixed with FOST, managing buffer. Configuration as per requirement
11 Aluminum-foil paper

1 piece

Protect the bottom of FOSC

 

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