Practical system guides
Wi-Fi & cabling planning checklist
Map users, walls, wired devices, PoE loads and cable routes before choosing network hardware. A practical planning checklist for homes and business premises.
Define the requirement first
Separate internet capacity from indoor connectivity. A fast broadband package does not remove a weak signal behind a concrete wall. List what must work in each area: video calls, point-of-sale terminals, cameras or guest browsing. Record peak simultaneous users rather than just staff headcount. Identify business-critical devices that should be discussed as wired connections rather than assuming everything belongs on Wi-Fi.
Record the site facts
Sketch floors, wall materials, shelves, large metal surfaces and candidate equipment locations. Mark existing sockets and where cables can be inspected safely. Do not climb ceilings or open electrical containment to complete a sketch. Access-point placement needs a survey: putting every unit in a cupboard or at one end of a building is not a coverage plan. Include outdoor exposure, ventilation and access for future maintenance.
A practical worked example
An office with 12 desks may also need ports for 3 access points, 4 cameras, 2 printers and an uplink: 22 connections before spare capacity. Count physical ports separately from PoE watts. Three access points at 18 W and four cameras at 10 W total 94 W; with 25% headroom the estimate is 117.5 W. Check both per-port capability and the switch total against actual maximum product draws; these example values are not product specifications.
Safe checks and limits
Draw cable paths along plausible routes, not straight through walls. Include vertical rises, bends, rack entry and an explicit allowance. A typical copper Ethernet channel is limited to 100 m including patch leads, subject to the chosen standard and installation; a long route may need a different design. Qualified installers must assess separation from power, fire barriers, grounding, outdoor protection and local requirements. A browser drawing cannot certify compliance.
What to include in a handover or enquiry
Request labelled endpoints, a port schedule, cable test records appropriate to the installation, and an authorised walkthrough of coverage in important areas. Agree how guests and business devices should be separated with the installer; do not change access settings as a troubleshooting experiment. Share premises type, approximate users, affected rooms and growth plans first. Keep exact internal network diagrams and credentials out of the initial message.