Blog Archives

RadiFlow – Cybersecurity Solutions for the Industrial IoT


A portfolio of comprehensive yet simple security solutions to protect critical assets is produced by RadiFlow. Supervisory Control and Data Acquisition (SCADA) systems, used for controlling and monitoring remote operations in critical infrastructures such as power utilities, oil & gas,

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Cyber Security challenges and solutions for Utilities

Industry Background and Future Trends For many years Electricity, Water, Oil and Gas Utilities as well as Transport companies have required bespoke, robust, dedicated network critical infrastructure solutions with high availability and reliability. Historically, these tended to use bespoke well-proven

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Solar Power – eCharger UPGRADE

Project Re-cap Last year’s project, detailed here, built a charger that collected and stored solar energy for use by an eBike, also for charging additional Li-ion or Ni-Cad batteries for other equipment as well as powering LED lights for illumination

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Nokia ‘Dynanet’ PDH Telecoms Spares


Continued Supply of Spare Parts – Surplus and Refurbished Items @YellowsBestLtd satisfies customer product sourcing requirements for current and ‘legacy’ equipment technologies. Despite the recent ‘rampdown’ announcement by DNWP for the ‘Dynanet’ range, we should be able to continue to

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‘Dynanet’ Telecoms – ‘Rampdown’ notice


Phased Discontinuation of Production – 31st May 2019 – 31st January 2020 The production of the ‘Dynanet’ family of PDH Transmission telecoms products, first introduced by Nokia over 20 years ago, and continued in recent years by DNWP, is finally being

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Mobile Communications for Professional Users

Mission Critical Technologies For many years, pioneering mobile communications technologies have been developed and implemented to serve the operational needs of professional users, such as public safety, utilities and transport organisations. Initially based on radio technologies predating the public cellular

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Apple macOS 64-bit transition – Software ‘Legacy’ issues


32-bit Application compatibility Issues resulting from macOS updates Issues have started to appear using existing and older software applications on Apple Macintosh computers with the transition from 32-bit to 64-bit operating systems, commencing with macOS High Sierra 10.13.4, and it’s

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Keymile UMUX – Multiservice access solutions


Comprehensive Functionality The UMUX platform provides carrier-grade reliable multi-service multiplexing and aggregation functions over copper and fibre networks. A variety of voice (POTS, FSX, FSO, ISDN) and data (e.g. G.703, V.11, V,24, V,35) interfaces, SHDSL and Ethernet (including PoE+ and

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PC Troubleshooting Project

Stop Code: PROCESS1 INITIALIZATION FAILED As a result of a PC replacement and upgrade project for Action for Asperger’s, we were presented with a seemingly serviceable Dell Optiplex 755 machine but suffering from a critical failure on power-up, meaning that

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Launch of Telecoms Products


Management Services and Solutions @YellowsBestLtd provides professional Management Services for Business Development activities and Enterprise Support of Infrastructure. We source Solutions for Sustainable Systems maintenance. Together with our broad range of new and ‘legacy’ equipment Technologies, we have now launched

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