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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

28/09/2026

Industrial Connectivity: M12 Connectors, Assemblies & Cable for Harsh Environments

DTECH's full industrial range in one place — M12 D-code and X-code connectors, made-to-length assemblies (including shielded PROFINET/EtherCAT builds), tool-free industrial RJ45, industrial and marine-grade Ethernet leads and cable, plus...
DTECH green Profinet cable with right-angle male and female M12 connectors, showing the pin and socket faces
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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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08/06/2026

KNX Cable Explained: What Makes It Different and Why It’s Not Optional

KNX is the most widely deployed open standard for building automation in Europe — controlling lighting, heating, blinds, ventilation, and energy management across residential and commercial installations. Unlike most low-voltage...
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01/06/2026

What is an RJ45 Connector: Everything You Need to Know

The RJ45 connector is the small plastic plug at the end of every Ethernet cable — the thing you click into a laptop, a network switch, a wall outlet, or...
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25/05/2026

Industrial Ethernet Protocols Explained: PROFINET, EtherNet/IP and EtherCAT

PROFINET, EtherCAT, and EtherNet/IP are the three dominant industrial Ethernet protocols used in factory automation, process control, and motion control applications worldwide. All three run on standard IEEE 802.3 Ethernet...
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