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DTECH Articles

DTECH Articles & Resources

Explore practical guides, installation advice, product insights and industry updates from the DTECH team. Whether you're specifying products, planning a project or troubleshooting a network, you'll find straightforward technical content for installers, engineers and businesses.

All General Purpose Copper Systems Fibre Optic Systems Industrial Systems Audio / Visual Industry News

21/09/2026

Armoured vs Unarmoured Fibre Optic Cable: When Do You Actually Need It?

Armoured fibre optic cable adds a metal protective layer beneath the outer jacket, giving it resistance to crushing, rodent damage, and mechanical impact that standard unarmoured cable cannot offer. It...
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14/09/2026

Why Fibre Connectors Need Cleaning — and How to Do It Properly

Contamination on a connector end face is the single most common cause of poor fibre link performance — more common than a bad splice, a damaged cable, or a faulty...
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22/06/2026

Pre-Terminated Fibre Optic Cable: When to Use It and How DTECH’s Service Works

Pre-terminated fibre optic cable is factory-assembled, factory-tested, and delivered ready to install — connectors already fitted, polarity already verified, insertion loss already measured and within specification before the cable leaves...
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15/06/2026

Fibre Insertion Loss and Return Loss Explained

Insertion loss and return loss are the two parameters that define how well a fibre optic link will actually perform — and they are the two figures that appear on...
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11/05/2026

Why Fibre Optic Prices Have Increased in 2026

If you have priced fibre optic cable in the last six months and been surprised by what you found, you are not alone. From late 2025 into 2026, global fibre...
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06/04/2026

DTECH Fibre Optic Systems: Everything You Need for a Complete Installation

DTECH supplies a complete fibre optic cabling system — from bulk backbone cable through pre-terminated assemblies, patch leads, pigtails, adaptors, splice accessories, and patch panels. Every component is available from...
DTECH black fibre patch panel with 24 violet OM4 LC Duplex adaptors and a partially extended sliding tray
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30/03/2026

Fibre Optic Cable Construction: Tight Buffered vs Loose Tube

Tight buffered and loose tube are the two fundamental fibre optic cable constructions. Every fibre backbone cable — whether multimode or single mode, internal or external, four fibre or forty-eight...
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16/03/2026

Internal vs External Data Cable: What’s the Difference and How to Choose

One of the most common specification errors in structured cabling installations is using standard internal cable on a route that passes outside — through an external wall, across a roof,...
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