Dome Joint CMJ | Compact Multi-Function Fibre Optic Splice Closure (Up to 144F Capacity)
The Compact Multi-Function Joint (CMJ) is a dome-style fibre optic splice closure, designed for high performance in limited-space installations. Ideal for applications such as distribution joints, spur connections, or small chamber joints, the CMJ offers a maximum capacity of 144 fibres within a durable, compact housing.
Built for deployment in aerial, wall, pole-mounted, and underground environments, the CMJ is sealed to IP68 standards, ensuring long-term reliability in harsh conditions.
✅ Key Specifications:
- Capacity: Up to 144 fibres (with 12 SE trays or 12 SC trays)
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Ports:
- 4 × Circular Ports (mechanical gland entry, for cables up to 23mm)
- 1 × Oval Port (for heat shrink or mechanical oval port entry)
- 2 × Small Emergency Ports (heat shrink only, for cables up to 12mm)
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Splice Tray Options:
- 12 Single Element trays – 12 fibres per tray
- 12 Single Circuit trays – 4 fibres per tray
- Loop Storage: Integrated loop basket for mid-span fibre applications
- Splitter Support: Mounting space for optical splitters on the routing manifold
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Splice Protector Compatibility:
- Heat shrink (1.3mm × 30mm and 2.2mm × 45mm)
- Crimp splice protectors
- Mounting Options: Pole or wall mount (vertical or horizontal)
- Material: UV-resistant, durable plastic
- Ingress Protection: IP68
- Pressure Test: Optional pressure valve for flash testing
✅ Features & Benefits:
✅ Compact and durable closure for small to medium fibre deployments
✅ Supplied with splice trays, cable retention and routing hardware
✅ Multi-entry port design supports a variety of installation methods
✅ Mechanical and heat shrink sealing for all entry ports
✅ Modular tray system allows fibre access without disturbing active circuits
✅ Easy installation with optional pre-fitted sealing glands
✅ Supports mid-span loop-through cable routing
✅ Optional mounting kits and accessories for tailored deployment
✅ Suitable for access networks, FTTH rollouts, and rural splicing
📦 What’s Included:
- 1 × Dome Cap
- 1 × Closure Base
- 1 × Clamp Ring
- 1 × Fibre Routing Manifold
- 1 × Loop Storage Basket
- 1 × Pressure Test Valve
- Splice Trays (SE or SC options)
- Tube Retainers & Covers
- Optional: Wall or Pole Mounting Bracket
The Dome Joint CMJ is a flexible and field-proven closure, offering quick installation and reliable protection for fibre connections in compact environments.