Dome Fiber Optic Splice Closure, Management Box
- Building A, Republic International Business Plaza, No. 3699 Gonghexin Road, Jing'an District, Shanghai
- +86-21-59175887
- market@soctfiber.com
- 86-17321363317
- 86-13341796231
Description
DOME-144A is a high-capacity, IP68-rated dome fiber optic splice closure designed for reliable splicing and protection in outdoor OSP networks. It supports up to 144 fiber splices with organized tray management, wide cable diameter compatibility, and a sealing structure built for long-term field deployment.
- Capacity: up to 144 splices (144 cores)
- Protection: IP68 waterproof rating for harsh outdoor environments
- Ports: 1 + 4 cable ports
- Cable OD range: inlet Ø16–Ø28 mm; outlet Ø8–Ø20 mm
- Sealing: mechanical sealing + silicone gaskets; heat-shrink inlet sealing
- Installation: aerial, duct, underground, direct-buried
Send your cable OD + fiber count + installation type to get a fast factory quote, configuration recommendation, and lead time.
Key Specifications
| Model | DOME-144A |
| Type | Dome fiber optic splice closure |
| Max splice capacity | 144 cores |
| Waterproof rating | IP68 |
| Port configuration | 1 + 4 cable ports |
| Cable OD (inlet) | Ø16–Ø28 mm |
| Cable OD (outlet) | Ø8–Ø20 mm |
| Sealing method | Mechanical sealing + silicone gaskets; heat-shrink inlet sealing |
| Housing material | PC / PC+ABS / PP (options) |
| Installation | Aerial / Duct / Underground / Direct-Buried |
Product Features & Advantages
- High-capacity splicing in a compact dome: supports up to 144 splices with organized tray routing for easier service and expansion.
- IP68 waterproof structure: mechanical sealing and silicone gaskets help prevent water ingress during long-term outdoor deployment.
- Wide cable diameter compatibility: inlet Ø16–Ø28 mm and outlet Ø8–Ø20 mm reduce mismatch risk for backbone and distribution cables.
- Field-friendly maintenance: tray-based management keeps fibers tidy and improves troubleshooting efficiency.
- Multi-environment installation: designed for aerial, duct, underground and direct-buried applications.
Typical Applications
- FTTH / FTTX distribution networks
- Telecom access & backbone routes
- Outdoor OSP fiber projects (aerial / duct / underground)
- Industrial parks, campuses and municipal fiber builds
- Contractor/EPC installation and maintenance work
How to Choose the Right Configuration
To avoid mismatches and speed up quoting, please confirm the following items:
- Fiber count & splice plan: current splices + reserved capacity
- Cable outer diameter (OD): inlet and outlet cable OD
- Installation environment: aerial / duct / underground / direct-buried
- Port usage: how many ports used now vs reserved
- Quantity & destination: for packing and delivery schedule
Customization Options
- Labeling / port mapping / customer branding
- Accessory configuration based on your cable type and installation method
- Export packing options for distributors and projects
- Material option: PC / PC+ABS / PP (depending on application preference)
Quality Control & Service
- Incoming material inspection and assembly checks
- Sealing structure verification (gasket fit and mechanical sealing)
- Visual inspection before packing
- Export shipment support and documentation assistance
- Pre-sale guidance: match configuration to your cable OD and splice plan
Ordering Information
For the fastest and most accurate quotation, please send:
- Model: DOME-144A
- Splice capacity required: 144 (tell us current usage + expansion plan)
- Cable OD: inlet Ø16–Ø28 mm; outlet Ø8–Ø20 mm (your actual OD)
- Installation type: aerial / duct / underground / direct-buried
- Quantity + destination country/port
We will reply with a recommended configuration, lead time, packing details, and factory pricing.
FAQ
1) What is the maximum splice capacity?
Up to 144 fiber splices (144 cores).
2) Is it waterproof for outdoor use?
Yes. It is designed with an IP68 waterproof rating for outdoor deployments.
3) What is the port configuration?
1 + 4 cable ports.
4) What cable diameters are supported?
Inlet Ø16–Ø28 mm and outlet Ø8–Ø20 mm. Please share your actual cable OD for confirmation.
5) What sealing method does it use?
Mechanical sealing + silicone gaskets, plus heat-shrink inlet sealing.
6) Where can it be installed?
Suitable for aerial, duct, underground and direct-buried applications.
7) Can you support labeling or customized packing?
Yes. We support labeling/port mapping and export packing options for distributors and projects.
8) What information do you need for a fast quote?
Please send cable OD (inlet/outlet), fiber count/splice plan, installation type, quantity, and destination.
CTA: Distributors, contractors and project teams—send your cable OD, fiber count and installation environment to receive a fast factory quote and recommended configuration.




