288 cores Fiber Optic Vertical Splice Closure
The fiber optic vertical splice closure provides outdoor distribution, splicing, and storage for outside plant optical networks. Designed for user access points, FTTH/FTTB rollouts, and optical distribution networks (ODN), this dome enclosure supports 288 fiber fusion splices. Built from corrosion-resistant engineering plastic with heat-shrink cable port sealing, it maintains IP68 ingress protection in demanding underground, manhole, and pipeline environments.
Key Features
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Splice Capacity: Supports up to 288 splices using stackable 12-fiber splice trays.
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Hybrid Sealing System: Combines 4 round heat-shrink ports, 1 oval heat-shrink port for uncut mid-span buffer loops, and 2 mechanical gland ports.
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Mechanical Multiplication Inserts: Houses modular port inserts to accommodate multi-cable entries including 4x 3-6mm, 6x 4.5-6.5mm, 4x 6-8mm, 4x 8-10mm, 4x 8.3×4.6mm flat drop profiles, or membrane inserts for 2-20mm cables.
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Optical Splitter Integration: Accommodates compact splitters in modular metal packaging, including 1:4 and 1:8 ratios directly inside splice trays, plus 1:16 splitters using a dedicated mount.
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Patching Options: Integrates an optional internal patch panel supporting 9 SC SX or E2000 SX adapter positions on 144-fiber models, and up to 18 positions on 288-fiber models.
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Environmental Resistance: Meets IP68 ingress protection requirements for underground and aerial plant deployments.
Product Configuration
Base builds and expandable hardware options include:
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288-Fiber Variant: Measures 293x568x162 mm and accommodates up to 24 splice trays (12 fibers per tray) with up to 6 tray holders.
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Port Layout: 1 oval port for uncut cables (8-25mm diameter), 4 round heat-shrink ports (6-20mm diameter), and 2 mechanical ports accepting multi-cable inserts.
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Standard Inclusions: Dome, base, clamp assembly, internal cable organizer, 1 splice tray, 1 tray holder, 1 wall-mounting adapter, 2 membrane inserts, 1 heat-shrink seal kit, and an installation accessories kit (adhesive clip, sandpaper, aluminum tape, insulation tape, and cable ties).
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Optional Accessories: Quick-mounting bracket, pole-mounting hardware, external slack cable storage frame, bottom frame bracket, pigtails, and adapter panels.
Applications
- Underground Manholes and Handholes: Installs inside utility chambers with minimum dimensions of 240mm diameter and 350mm depth.
- Duct Networks: Terminates feeder and distribution duct cables using heat-shrink seals and multi-bore mechanical drop entries.
- Aerial Line Deployments: Mounts directly to wood, concrete, or steel utility poles using pole clamps or dedicated mounting brackets.
- Exterior Wall Mounting: Secures to building exteriors and concrete walls using the included wall-mount bracket.
- FTTH Optical Distribution Nodes: Houses optical splitters (1:4, 1:8, and 1:16) and connector fields for localized customer drops.
Frequently Asked Questions
What is the maximum cable capacity supported by the closure base?
The base accommodates up to 17 cables when configured with multi-cable mechanical inserts alongside round and oval heat-shrink ports.
Can optical splitters install directly inside the splice trays?
Yes. The splice trays house 1:4 and 1:8 splitters in compact metal housings. Splitters with 1:16 ratios install into a separate, dedicated holder.
What minimum chamber size is required for underground pull boxes?
Underground pull boxes and chambers require a minimum diameter of 240mm and a minimum depth of 350mm.
What is the difference in sealing rating between mechanical inserts?
The closure carries an overall IP68 rating, while the membrane-style multi-cable mechanical inserts provide an IP54 barrier.
This fiber optic splice closure provides a field-configurable platform for splicing, splitting, and patching outside plant optical networks. The combination of heat-shrink and mechanical sealing delivers dependable cable security in duct, aerial, and wall installations.
