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    • Core/Legacy

    Visit the ISE Buyer's Guide for products and solutions related to Core/Legacy.   The educational content of this category relates to the evolution of the core/copper legacy infrastructure that Telecom/Communications Service Providers' (CSPs) must use to support the mobile and fixed networks.  Best practices and guidance are targeted to telecom providers, contractors and others aligned with the ICT industry.

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    American Manufacturing: Build America, Buy America
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    First Real-Time Streaming Video Transmitted Over UHF TACSAT in Army Demonstration 

    March 7, 2024
    Capability offers low-power solution for tactical communication.
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    Core/Legacy

    Quiz: Are You a Telecom History Scholar?

    March 5, 2024
    Test yourself to discover how much you know about some of the industry’s most-significant milestones.
    Don With Truck
    Copper Expert

    400 Columns + One Farewell

    May 1, 2022
    Don McCarty, ISE magazine's Copper Expert, reflects on his career as a trainer and columnist.
    ISE Columnist Don McCarty, OSP Expert
    Columnist

    How come?

    April 1, 2022
    Field technicians call or send emails or texts to me asking questions about a problem they are encountering when provisioning and maintaining the copper infrastructure. These ...

    Recommended

    PLP episode 10 NEW
    Video Vault

    Episode 10: Fiber Optic Closure Specs Explained – GR-771-CORE: Freeze/Thaw and Water Resistance

    April 1, 2022
    Preformed Line Products (PLP) video series: Fiber Tips and Tricks Each episode will include one concept, tip, or piece of information intended to help fiber optic splicer and ...
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    Network Transformation/Edge Compute/IoT/URLLC/Automation/M2M

    Modernizing Legacy SONET/SDH Networks Using Circuit Emulation

    Feb. 8, 2022
    Safely and effectively transforming costly legacy networks to IP Many of today’s service providers are still carrying traffic on networks based on decades old SONET/SDH equipment...
    ISE Columnist Don McCarty, OSP Expert
    Columnist

    Provisioning And Maintaining POTS Circuits

    Feb. 1, 2022
    I feel privileged to have participated in the growth of the telecommunications industry. I’ve trained copper cable technicians for 50 years and, […]
    ISE Columnist Don McCarty, OSP Expert
    Columnist

    Cable Locating: Beyond The Basics

    Dec. 1, 2021
    In earlier columns I have discussed how to get started with your cable locator with tips about the types of hookups, tone transmission, etc. This month I discuss some of […]
    ISE Podcast, Fujitsu, Modernizing Legacy Networks
    Core/Legacy

    Preparing for the Future: A Three-Phased Approach to Modernizing Legacy Networks

    Nov. 4, 2021
    As service providers transform their businesses to become agile and responsive and support configurable digital services, the question of network modernization is more and more...