by Peter Griffiths, MD, Arrow Altech Distribution

 
High growth in connected and smart devices has resulted in spectrum becoming a scarce resource. Spectrum may be conceptualised as a multi-lane highway in the sky along which audio, video and internet data can be sent back and forth... (more)

with Gowri Shankar Prem Kuma, ITR Technology

 
An IT help desk ensures a seamless end-user experience by centralising and automating service management processes. The right IT help desk improves productivity, guarantees end-user satisfaction, cuts costs, and aligns IT... (more)

Just as mainstream business have started to understand and see the benefits of cloud computing and even the internet of things, a new IT phrase has begun doing the rounds - "software-defined everything". Devices and platforms are... (more)

   

There are many facets to the concept of the connected car. It started with reducing the wiring inside the car by deploying internal networks such as CanBus and FlexRay, to today's integration of internal and external networks to manage maintenance; automating optimum... (more)

   

A few years ago, companies thought the cloud might help save on costs. No doubt everyone recalls the plethora of articles with titles such as: "How to save time and money in the cloud" or "Cloud computing can generate massive savings." Analyst studies from leading think... (more)

by Charles ZK Chen, Moxa

A modern SCADA system communicates directly with an OPC server which itself communicates with PLCs, RTUs, and/or remote I/O units to pass sensor readings and control signals back and forth between the OPC server and devices. Whereas the more traditional OPC DA... (more)

                            

    

Data centres are strategic business assets and they facilitate a company's performance and the services they are able to provide their customers. The criticality of data centres continues to rise, leading more industry-wide discussions regarding what "mission critical" means and... (more)

    

This paper focusses on a particular technique for improving the operating efficiency of a double-conversion UPS by operating it in eco-mode. The author also discusses situations where eco-mode is recommended or is contra-indicated. Eco-mode is a method of operating the UPS... (more)

    

Data is growing at explosive rates in today's businesses. Big data is increasing storage demands in a way that could only be imagined just a few short years ago. A typical data record has tripled if not quadrupled in size in just the last five years, however this data now has... (more)

    

A look into broadband, the internet of things and the rise of the "DSL heads." To define contention literally, it means "To compete in order to win something" - this being highly applicable to the data havoc we experience on a digital subscriber line (DSL).  It is "DSL thinking... (more)

    

Power problems are a reality in South Africa for the foreseeable future, and many organisations have already implemented solutions to minimise downtime and ensure business can continue as close to normal as possible. Common equipment to enable this includes uninterrupted power supplies (UPSes) with battery backup that benefits in a... (more)