Dome Types Fiber Splice Closure

Dome Types Fiber 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：
  • 优势：半球形结构分散压力，抗冲击能力≥IK08（符合IEC 62262标准）。
  • 材料：工程塑料（阻燃UL94 V-0）或铝合金（轻量化抗腐蚀）。
• Size and capacity：
  • 小型：直径200mm×高150mm，支持12-24芯光缆。
  • 中型：直径300mm×高200mm，支持24-48芯光缆。
  • 大型：直径400mm×高250mm，支持48-96芯光缆。
• Protection classIP68 (3 meters underwater/72 hours) or IP69K (high pressure water gun flushing).

2. Functional design

• Layered fusion plate：
  • 独立托盘：支持分层熔接，适配带状光缆（如12芯带状光纤）。
  • 盘纤空间：弯曲半径≥50mm，符合TIA-568-C.3标准。
• Quick Access Port：
  • 类型：支持FC/SC/LC/ST适配器，兼容预端接MPO/MTP。
  • 扩展性：预留20%端口冗余，支持未来扩容。
• Intelligent Management：
  • 可选功能：RFID标签槽、温湿度传感器、光纤状态监测接口。

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：
  • 架空/管道：配挂耳或抱箍支架。
  • 直埋：可选抗压外罩（承重≥5吨）。
• activation mechanism：

  • 免工具设计：快速锁扣（开启时间≤10秒）。

  • 密封性：硅胶密封圈+不锈钢锁扣，重复使用≥1000次。

Dome Types Fiber Splice Closure Typical Application Scenarios

1. FTTH/FTTx network：
   • 室外分光箱与主干光缆熔接点保护。
2. long-distance trunk transmission：
   • 管道或架空光缆的中继熔接节点。
3. Industrial network：
   • 石油石化、电力SCADA系统的光纤链路。
4. 5G base station backhaul：
   • 前传光缆与BBU/RRU设备的熔接保护。
5. Smart City：

   • 监控、交通信号等物联网设备的户外接点。

IV. Comparison of technical parameters (taking a medium-sized dome-type junction box as an example)