Fiber Optic Network & Infrastructure

Fiber networks, designed down to the core.

Fiber optic design for backbone, feeder, FTTH, FTTB, and FTTx networks. Survey, HLD, LLD, core management, BOQ, and as-built documentation.

Discuss your network design

Where we can help

Plan a new network

Define the service area, routes, endpoints, and capacity before field construction starts.

Expand an existing network

Review existing assets and available cores, then plan additional coverage and connections.

Bring records up to date

Align route drawings, splice records, and core allocation with the network as it exists in the field.

Scope of service

A cable route is only the beginning. LINK brings physical routes, optical paths, fiber allocation, and installation documents into one coherent design.

Routes and infrastructure

Backbone, feeder, distribution, and drop planning, with survey records for poles, ducts, closures, cabinet locations, and access constraints.

Access architecture

FTTH and FTTB planning within an FTTx strategy. Compare PON, dedicated point-to-point links, and protection options against the actual requirement.

Core and port continuity

Track cable IDs, tube/core allocation, splice trays, ODF ports, splitter inputs and outputs, and spare capacity from origin to endpoint.

Trace each connection through the documentation.

Route drawings and core schedules should describe the same network. A consistent asset reference connects the cable, tube, core, splice, port, and endpoint so the design can be reviewed and maintained.

Connection reference

Cable / tube / core
Splice & termination
Port & destination

Illustration of documentation structure. Project identifiers follow the agreed design.

Engineering detail

Explore the technical decisions behind your network. The final design follows your site conditions and agreed scope.

FTTx & network architecture

FTTx describes where fiber ends. We plan the feeder, distribution, drop, and building routes around the endpoints.

FTTH / FTTP

Fiber reaches the home or premises. Plan the feeder, distribution and drop path, terminal capacity, and customer termination.

FTTB & multi-dwelling buildings

Fiber terminates at a building entry point; the in-building network is defined separately. Extending fiber to each unit adds riser routes, floor distribution and unit drops.

FTTC / FTTN

Fiber stops at a curb-side cabinet or neighbourhood node. Document the fiber segment, active equipment, power requirements, and the final access medium.

Backbone & aggregation

Connect POPs and aggregation sites. Evaluate route diversity, fiber counts, expansion reserves, termination points, and the proposed protection mechanism.

Feeder, distribution & drop

Separate transport to distribution hubs, onward distribution, and the last connection to a premises. Keep cable and terminal identifiers consistent across drawings.

Uplink & site interconnection

Plan optical routes between access sites, towers, offices, or aggregation points. Record endpoints, interface requirements, and available fiber infrastructure.

Topology & route selection

The service topology and physical cable route are separate decisions. We compare geography, capacity, fiber availability, maintenance, and recovery needs.

Mesh and partial-mesh backbone

Multiple site-to-site routes provide path options for larger backbones. Compare fiber demand, route diversity, and the active network’s routing and protection behaviour; extra links do not remove shared infrastructure risks.

Bus and optical-tap arrangements

A linear route may use asymmetric taps to serve successive locations. Each tap changes the power available downstream, so evaluate the entire chain against equipment limits and maintainability rather than treating it as a standard equal-split tree.

Point-to-point / active star

A dedicated optical path connects endpoints. Useful where isolation or dedicated capacity matters; active equipment, fiber counts, and power need to be included in the design.

PON tree: centralized or cascaded

A passive splitter shares an OLT port among endpoints. Splitter location and staging affect loss, port utilisation, fiber demand, and maintenance access. GPON or XGS-PON selection follows the equipment and service requirements.

Ring & dual-route protection

A physical loop offers possible alternate paths. Resilience depends on genuinely diverse routes and the matching active protection design; a ring drawing alone does not establish redundancy.

Linear, branched & hybrid layouts

Combine routes to fit roads, geography, and demand. A linear cable route can carry several logical fiber paths; physical layout and optical service topology are documented separately.

Core management & documentation

Cable → tube → core → splice → port → endpoint. Every allocation is recorded against a consistent identifier so changes can be traced across drawings and installation records.

Asset IDs and naming rules

Define identifiers for cables, closures, cabinets, ODFs, ODPs, ports, and endpoints. Record location and revision so names remain consistent across CAD/GIS drawings and schedules.

Tube and core allocation

Map each fiber by cable, tube, core number, and the project’s color convention. Mark working, spare, reserved, and unavailable fibers; color alone is not a unique asset ID.

Splice and tray schedules

Record incoming and outgoing cable/core pairs, closure and tray positions, express or midspan fibers, and termination points. Make each continuity change traceable.

ODF, splitter and terminal ports

Assign ODF panel and port references, splitter inputs and outputs, and ODP/terminal ports. Link these to upstream fibers and downstream drops to prevent duplicate allocation.

End-to-end path and spare capacity

Trace a service path from its origin through every splice and patch to its endpoint. Reserve capacity for the agreed growth scenario and separate administrative reservation from physical availability.

Testing references and revisions

Associate core paths with supplied test records, including direction and wavelength where available. Reconcile field deviations, retain source measurements, and issue a controlled as-built revision.

Design validation

Review the design before construction, against equipment specifications, field conditions, and the agreed capacity.

Loss budget

Account for fiber length, connector and splice loss, splitter loss, and design margin. Check both maximum loss and receiver overload limits against the actual optics specification.

Capacity and reach

Review distance, expected subscriber take-up, split ratio, and shared capacity. A standard’s nominal rate is not a promised customer speed; equipment classes and deployment conditions matter.

Buildability and handover

Coordinate pole or duct access, cable slack, manufacturer bend limits, enclosure access, and building-entry constraints. Agree on inspection and test acceptance criteria before handover.

Engineering references

How we work

We agree on the scope before starting, then review the work with you at each stage.

Survey and inventory
Confirm coordinates, premises targets, existing assets, route feasibility, permissions, and the quality of the starting data.
High-level design
Define the coverage, POP/OLT location, backbone and feeder routes, distribution areas, topology, and capacity assumptions.
Low-level design and BOQ
Detail fiber paths, port and splice schedules, splitter placement, material quantities, and the optical checks required for each path.
Reconcile the as-built
Update drawings and records from actual installation changes and supplied acceptance results, keeping revisions traceable.

What you receive

Choose a complete engagement or the stages you need. Deliverables are confirmed in the proposal.

Survey records

Coordinates, asset inventory, route observations, photographs, and the constraints that inform the design.

HLD package

Coverage and topology plans, major equipment locations, route layout, and capacity assumptions.

LLD package

Detailed cable, core, splice, and port schedules with agreed naming rules and installation drawings.

BOQ and material schedule

Quantities linked to the design: cables, enclosures, termination hardware, splitters, and installation allowances.

Optical design checks

Path loss estimates, equipment-specific limits, and margin assumptions documented for the proposed network.

As-built handover

Drawings and schedules reconciled to field changes, with test references where provided. Formats are agreed before work begins.

From our customers

Summaries of customer feedback.

The network survey and design process is quick. The team also responds promptly when we need help.

Network design clientsLINK

Questions & answers

Can I commission just the survey, HLD, or LLD?

Yes. LINK can be scoped as a standalone stage or a complete package. We first check whether the available input data is sufficient for the requested deliverable.

Does a ring route automatically make the network redundant?

No. Physical route diversity must be paired with the appropriate fiber paths, active equipment, protection design, and recovery behaviour. Two fibers in the same duct can share the same failure risk.

Which split ratio should a PON use?

There is no universal ratio. Subscriber distribution, projected take-up, bandwidth sharing, total path loss, distance, and the specific OLT/ONT limits determine the design.

What information should I prepare?

Provide the target area or route, homepass or endpoint targets, existing drawings and assets, equipment specifications, naming rules, required formats, and your project stage.

Let’s discuss your project.

Tell us what you have in mind. We’ll help define the scope and the next step.