Home/Products/Fiber Cable Management/Joint Closure/New FOSC Fiber Optic Splicing Closure FF-D009

New FOSC Fiber Optic Splicing Closure FF-D009

$18
★★★★★
* Ref. Price

Description

Dimension and capacity

Outside dimension (Height x Diameter)455mm×220mm
Weight (excluding outside box)3300g—4200g
Number of inlet/outlet ports6 pieces
Diameter of fiber cableΦ8mm~Φ21 mm
Capacity of FOSCBunchy: 12-240 (cores), Ribbon: up to 576 (cores)

Main Components

No.Name of componentsQuantityUsageRemarks
1FOSC cover1 pieceProtecting fiber cable splices in wholeHeight x Diameter350mm x 220mm
2Fiber optic splice tray (FOST)Max. 10 trays ( bunchy)Max. 8trays (ribbon )Fixing heat shrinkable protective sleeve and holding fibersSuitable for:Bunchy: 12, 24 (cores) Ribbon: 6 (pieces)
3Base1setFixing internal and external structure 
4Plastic hoop1 setFixing between FOSC cover and base 
5Gasket ring1 setBig gasket ring is used to seal FOSC cover and base.Small gasket ring is used to seal inlet/outlet tube1 piece of big gasket ring, 6 pieces of small gasket ring
6Pressure testing valve1 setAfter inject air, it is used for  pressure testing and sealing testingConfiguration as per requirement
7Earthing deriving device1 setDeriving metallic parts of fiber cables in FOSC for earthing connectionConfiguration as per requirement

Main Accessories

No.Name of accessoriesQuantityUsageRemarks
1Heat shrinkable protective sleeve Protecting fiber splicesConfiguration as per capacity
2Nylon tie Fixing fiber with protective coatConfiguration as per capacity
3Earthing wire1 piecePutting through between earthing devices 
4Abrasive cloth1 pieceScratching fiber cables 
5Labeling paper1 pieceLabeling fibers 
6Special wrench2 piecesInstalling and tightening nut of reinforced core and nut (plastic) of  inlet/outlet tube 
7Measuring paper1 pieceTo measure perimeter, of which its diameter is enlarged with seal tape 
8Seal tape1 ringEnlarging diameter of fiber  cable which fits in with gasket ring.Configuration as per specification
9Insulation tape1 ringEnlarging diameter of fiber  cable for easy fixing 
10Metal hoop1 setFor wall mounting and pole hugging 
11Buffer tube decided by customersHitched to fibers and fixed with FOST, managing buffer.Configuration as per requirement
12Desiccant1 bagPut into FOSC before sealing for desiccating air. 

FAQ

Q1: What is the maximum fiber core capacity of the FF-D009 splicing closure?

A: The FF-D009 supports a capacity of 12 to 240 cores for bunchy fiber setups and up to 576 cores for ribbon setups. Selectable order options range from 24 Cores up to 240 Cores.

Q2: How many inlet/outlet ports are provided, and what cable diameters are supported?

A: The closure includes 6 inlet/outlet ports, accommodating fiber cable diameters from 8mm to 21mm (Φ8mm–Φ21mm).

Q3: What are the physical dimensions and weight of the FF-D009 closure?

A: The closure has outside dimensions of 455mm (Height) × 220mm (Diameter). Its net weight ranges between 3300g and 4200g (excluding the external box).

Q4: How many splice trays can be installed in this model?

A: The closure can hold up to 10 splice trays for bunchy fibers (holding 12 or 24 cores per tray) or up to 8 splice trays for ribbon fibers (holding 6 ribbon pieces per tray).

Q5: What mounting options are available for the FF-D009?

A: Standard accessories include a metal hoop set designed for both wall mounting and pole hugging installations.

Q6: Does the FF-D009 closure include sealing and testing components?

A: Yes, it includes a pressure testing valve for air injection and sealing testing, along with an earthing deriving device and grounding wire for electrical protection.

Customer Reviews

4.7 / 5.0 ★★★★★ Based on 63 customer reviews
Eamon Vance
February 11, 2026

Deploying FirstFiber’s FF-D009 dome closure across our regional backbone network expansion solved our high-density splicing and cable management needs. Designed with outside dimensions of 455 × 220 mm, the enclosure features 6 inlet/outlet ports accommodating cable diameters from Φ8 mm to Φ21 mm. Supporting up to 576 ribbon fiber cores across a maximum of 8 ribbon splice trays, it provides excellent interior organization without overcrowding. The included metal hoop hardware made pole hugging and wall-mounting installations straightforward for our field crews, while the primary gasket ring and 6 small port gasket rings maintain a completely watertight seal.

Sabine Weber
November 29, 2025

At a reference price starting at just $18 USD, FirstFiber's FF-D009 delivers exceptional commercial value for B2B fiber rollouts. Weighing between 3300 g and 4200 g, the enclosure accommodates 12 to 240 bunchy fiber cores across up to 10 splice trays. It arrives as a turnkey kit equipped with standard accessories, including 2 special wrenches for securing reinforced core nuts, seal tape, insulation tape, measuring paper, labeling paper, earthing wire, and a desiccant bag. It is an economical, scalable closure that easily meets utility-grade telecom standards.

Mateo Silva
June 16, 2026

We standardized on the FF-D009 for outdoor distribution nodes due to its heavy-duty FOSC cover (350 × 220 mm) and base joined by a secure plastic hoop clamp. The closure includes an earthing deriving device to ground metallic cable components, as well as a pressure testing valve for air injection checks prior to finalizing field deployments. Whether configured for 24-core drop points or fully populated 240-core trunk splices, the FF-D009 provides outstanding protection against moisture, soil pressure, and environmental stress.

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