Fiber Optic Joint Closure Box – 144 Core

A high-capacity Fiber Optic Joint Closure Box designed to protect and manage up to 144 fiber splices. Built for outdoor and underground installations, it ensures secure fiber connections in backbone and distribution networks.

Key Functions

• Fiber Splicing – Provides space for fusion splicing of fiber cables
• Cable Jointing – Connects multiple fiber cables together
• Sealing & Protection – Keeps fibers safe from water, dust, and environmental damage
• Strain Relief – Secures cables to prevent tension and breakage

Main Features

• Supports up to 144 fiber cores (splices)
• Suitable for aerial, duct, and direct burial installations
• High-strength industrial-grade plastic (ABS/PC or reinforced polymer)
• Fully sealed design with mechanical or heat-shrink sealing system
• Includes:
  • Multiple splice trays
  • Cable sealing kits
  • Mounting accessories
• Designed for long-term outdoor durability

Where It’s Used

• Telecom backbone networks
• FTTH distribution networks
• Underground and duct fiber installations
• Pole-mounted aerial deployments
• Fiber repair and expansion points

How It Works (Simple Flow)

1. Fiber cables enter the closure through sealed ports
2. Outer sheath is stripped to expose fibers
3. Fibers are spliced and organized in trays
4. Closure is sealed to protect connections from the environment

Common Configurations

• Up to 144 fiber splices
• Multiple cable entry ports (varies by model)
• Supports single-mode (SMF) and multi-mode (MMF) fibers

Why It Matters

• Protects critical fiber joints in harsh environments
• Ensures low signal loss and stable connections
• Enables network expansion and repairs
• Built for long-term reliability in outdoor deployments