ENTELSAT

STRUCTURED CABLING · TECHNICAL GUIDE

What to review before renewing structured cabling in a company

Renewing cabling without a prior audit is one of the most expensive mistakes a company can make. The result is a network that looks new but replicates the same problems: no documentation, no real certification, no capacity for planned growth.

Most companies decide to renew their structured cabling when it already shows symptoms: frequent drops, speeds below expectations, or simply because it has been over 15 years since the last update. The problem is that many renovation projects become missed opportunities.

8 critical points to review before renewing

01

Real inventory of the existing installation

How many outlets, where they are, what condition they are in and what cable category they have. Without this inventory, the renovation budget is an estimate without basis.

02

Communications cabinet capacity

Review available space for patch panels, switches and UPS, ventilation adequacy, and whether cable management (organisers, bend radius) is correct. An overloaded or poorly organised cabinet generates heat, interference and failures.

03

Target category and real justification

Cat6 is sufficient if speeds above 1 Gbps are not planned and distances are under 55m. Cat6A is the correct choice for new installations wanting to support 10 Gbps over the full 100m standard length. Installing Cat5e in 2025 is a mistake you will pay for in under 5 years.

04

Certification and as-built documentation plan

Certification with a certified tool (Fluke, IDEAL) of all links must be a mandatory part of the project. The as-built documentation must be delivered alongside the installation — it is the foundation for any future maintenance.

Cat5e vs Cat6 vs Cat6A comparison

FeatureCat5eCat6Cat6A
Maximum speed1 Gbps / 100m10 Gbps / 55m10 Gbps / 100m
Recommended for new workNoOnly if 10G not neededYes — recommended standard
Expected lifespanObsolete for new work10-15 years15-20 years

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