Design & Construct

IT Critical Systems will work with your consultant, builder or in house IT staff to design to install a structured cabling systems that meets the specific requirements and desired outcome of the customer, ensuring the highest of standards are consistently met. 

Application speeds and bandwidth requirements for networks are always increasing at a rapid pace.  The physical layer, also known as layer 1 of the OSI model, is critical to the operation of any network and it will remain the backbone of the LAN.  IT Critical Systems delivers end to end solutions using twisted pair copper and fibre optic cabling systems, racks, cabinets and cable management with vendor certified warranties to prepare you for what’s coming next.


IT Critical Systems offer a manufacturer’s warranty for all cabling systems installed by IT Critical Systems.  The warranties are issued and honoured by the manufacturer, meaning that even in the event that IT Critical Systems was no longer in existence, the warranty still stands direct with the manufacturer.

IT Critical Systems is approved to install and honour warranties on behalf of the following manufacturers: 


The Siemon Company

The Siemon Company has developed the Siemon Cabling System Certified Installer Program. Each certified installer (CI) must go through a rigorous application process and are carefully evaluated before being accepted into the program. Certified installers must send their employees to Siemon training in design and installation practices where they must complete the course and pass a comprehensive exam.  The CI program is ISO 9001:2015 certified.


Corning has unparalleled expertise in glass science, ceramics science and optical physics that makes it a global leader in the manufacturing of fibre optic cable and connectivity.  In order to ensure that this high quality cable is installed properly, Corning utilizes a Network of Preferred Installers (NPI).



Belden offers end to end signal transmission solutions in a variety of markets.  In the area of structured fibre and copper cabling solutions, Belden utilizes a global network of certified networking contractors called CSVs. (Certified Systems Vendor) Certified installations are covered by Belden’s 25-Year Certification which warrants the installed system will meet or exceed applicable industry standards for twenty-five years. Investing in a Belden Certified Networking system is backed with Lifetime Application Assurance to provide certainty that your system will support future protocols applicable to the current installation for its entire operational lifetime.


IT Critical Systems is a corporate member of BICSI South Pacific.

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IT Critical Systems is a trusted provider of mission critical infrastructure systems across Australia.

ARC Tick Certified
NECA Member
BICSI Member