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  • Dome Types Fiber Splice Closure

  • Dome Types Fiber Splice Closure

Dome Types Fiber Optic Splice Closure

Dome Types Fiber Optic Splice Closure Is a kind ofHigh protective fiber fusion protection equipmentThe unique dome structure is designed specifically forComplex environment optical network deploymentDesign.Core Functions of Dome Types Fiber Splice Closure ProductsIts core functions include:Fully sea

:Dome Types Fiber Splice Closure
:2025-04-25
:SM
:Simplex,duplex
:SC,LC,FC,ST,E2000
:Insert Type/Box type/Mini PLC splitter
:LC/SC/ST/FC APC/UPC

Dome Types Fiber Optic Splice Closure

SMoothing: antialiased; font-family: -apple-system, BlinkMacSystemFont, " segoe="" ui="" roboto="" ubuntu="" neue="" helvetica="" arial="" sc="" sans="" gb="" yahei="" han="" cn="" sans-serif="" color="" emoji="" liST-STyle:="" none="" margin:="" scrollbar-width:="" font-weight:="" color:="" rgb="" font-size:="" text-wrap-mode:="" wrap="" background-color:="">Dome Types fiber optic Splice Closure Is a kind ofHigh protective fiber fusion protection equipmentThe unique dome structure is designed specifically forComplex environment optical network deploymentDesign.



Core Functions of Dome Types Fiber Splice Closure Products

Its core functions include:

  1. Fully sealed protectionProvide a waterproof, dustproof and impact-resistant enclosed space for the fiber fusion joint.

  2. Mass managementSupport multi-core cable welding and branching, suitable for dense optical networks.

  3. rapid deploymentModular design simplifies the installation process and supports tool-free operation.

  4. Environmental adaptabilityFrom overhead to direct burial, covering a variety of outdoor scenes.

Main Technical Characteristics of Dome Types Fiber Splicing Closure

1. Physical structure and materials

  • Dome design
  • Independent tray: supports layered splicing and is suitable for ribbon optical cables (such as 12-core ribbon optical fibers).

  • Fiber tray space: bending radius ≥ 50mm, in line with TIA-568-C.3 standard.

  • Quick Access Port:

  • Type: supports FC/SC/LC/ST adapters, compatible with pre-terminated MPO/MTP.

  • Scalability: 20% port redundancy is reserved to support future expansion.

  • Intelligent Management:

  • Optional functions: RFID tag slot, temperature and humidity sensor, fiber status monitoring interface.

  • Protection classIP68 (3 meters underwater/72 hours) or IP69K (high pressure water gun flushing).

2. Functional design

  • Layered fusion plate
  • Independent tray: supports layered splicing and is suitable for ribbon optical cables (such as 12-core ribbon optical fibers).

  • Fiber tray space: bending radius ≥ 50mm, in line with TIA-568-C.3 standard.

  • Quick Access Port:

  • Type: supports FC/SC/LC/ST adapters, compatible with pre-terminated MPO/MTP.

  • Scalability: 20% port redundancy is reserved to support future expansion.

  • Intelligent Management:

  • Optional functions: RFID tag slot, temperature and humidity sensor, fiber status monitoring interface.

3. Environmental adaptability

  • operating temperature: -40 ° C to + 85 ° C (wide temperature models support -60 ° C to + 120 ° C).
  • Chemical resistanceSalt spray resistance, acid and alkali resistance (in line with ASTM B117 standards).
  • flame retardancyUL94 V-0, compliant with NFPA 701 fire test.

4. Installation and maintenance

Installation method:


Aerial/Pipeline: with hanging ears or clamp bracket.

Direct burial: optional pressure-resistant cover (load bearing ≥5 tons).


Activation mechanism:


Tool-free design: quick lock (opening time ≤10 seconds).

Sealing: silicone seal + stainless steel lock, reuse ≥1000 times.

Dome Types Fiber Splice Closure Typical Application Scenarios


FTTH/FTTx network:


Outdoor splitter box and trunk cable splice protection.


Long-distance trunk transmission:

Relay splice node of pipeline or aerial optical cable.


Industrial network:


Optical fiber link of petroleum, petrochemical, and power SCADA systems.


5G base station backhaul:


Frequency protection of fronthaul optical cable and BBU/RRU equipment.


Smart City:


Outdoor connection point of IoT devices such as monitoring and traffic signals.





❓1. What is a dome type fiber optic splice closure?

✅ Answer:
A dome type fiber optic splice closure is a protective housing designed to hold and protect fiber optic splices in outdoor or underground environments. It features a cylindrical "dome" shape, offering excellent sealing and pressure resistance, making it ideal for harsh conditions.



❓2. What are the advantages of dome type splice closures?

✅ Answer:
Dome type closures are known for their strong waterproofing, large capacity for splice trays, and high durability. They offer easy maintenance and can be reused after re-entry. The dome structure provides uniform stress resistance, making it suitable for aerial, pole, and buried applications.



❓3. How many cables can be connected in a dome splice closure?

✅ Answer:
Most dome splice closures support 4 to 16 cable entry ports and can manage anywhere from 24 to over 144 fiber cores, depending on the model and tray configuration. High-capacity models are available for backbone fiber networks.



❓4. What is the difference between dome type and horizontal type splice closures?

✅ Answer:
The key difference is in the shape and application. Dome type closures are vertical and ideal for underground or pole installations with better pressure resistance, while horizontal types are flat and often used for aerial or wall-mounted setups. Dome closures usually provide better water and air sealing.



❓5. Are dome fiber splice closures reusable?

✅ Answer:
Yes, dome splice closures are designed to be reusable. Technicians can open them for maintenance or upgrades and then reseal them without affecting performance. Most models use rubber gaskets and mechanical sealing systems to maintain waterproof integrity after re-entry.








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  • Dome Types Fiber Optic Splice Closure
    Dome Types Fiber Optic Splice Closure

    Dome Types Fiber Optic Splice Closure Is a kind ofHigh protective fiber fusion protection equipmentThe unique dome structure is designed specifically forComplex environment optical network deploymentDesign.Core Functions of Dome Types Fiber Splice Closure ProductsIts core functions include:Fully sea

  • Horizontal Type Fiber optic Splice Closure 16-core connector box + fast connect
    Horizontal Type Fiber optic Splice Closure 16-core connector box + fast connect

    Horizontal fiber optic splicing box 16-core splicing box + quick connection Is a kind ofTransverse layout of optical fiber fusion protection equipment, specifically forHigh density optical network deploymentDesign.Name (Name)MaterialSizeColor (Color)Weight (kg)Product capacity (capacity)Packaging (P

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