DOCSIS 3.1 Archives - Volpe Firm

Why did the cable industry choose 75-ohm coaxial cable — and not 50 ohms? The answer is rooted in physics, engineering tradeoffs, and decisions made decades ago that still define every HFC network running DOCSIS today. Brady Volpe and Ron Hranac break down one of the most fundamental design choices in cable network history: why

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Watch a brief recap of SCTE Tech Expo, John Downey and Brady Volpe break down the latest DOCSIS 4 innovations, Low Latency L4S for gamers, and the role of AI from Harmonic and OpenVault in transforming networks. Gamers will be thrilled to hear how L4S (Low Latency, Low Loss, Scalable throughput) is shaping the

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Getting Smart with AI and PNM: The Operator’s New Edge Let’s not sugarcoat it—HFC networks, for all their engineered resilience, are still full of difficult-to-uncover problems. Under the surface, impairments like amplitude variation, ingress, and corrosion sneak in or often explode in. These impairments negatively impact throughput and cause avoidable truck rolls. Lately, though,

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Hey everyone—welcome back! You usually see me talking coax, DOCSIS, MER… but today we’re flipping the script: it’s fiber time. Join Brady Volpe and Andrii Vladyka, Vice President, Growth and Technologies at Harmonic, for a LIVE fiber lab demo like no other! In this session, we’re turning a virtual CMTS (vCMTS) into a PON

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Brady Volpe and DOCSIS expert John Downey recap the latest from ANGA COM 2025 in Germany. 🇩🇪 We discuss: • Why Europe is going 90% fiber and the impact on HFC • The powerful low latency DOCSIS demo from Harmonic and what it means for streaming and gaming • Charter’s acquisition of Cox and what

The post ANGACOM 2025 Recap: Fiber Domination, Low Latency DOCSIS, and Charter-Cox Merger Insights appeared first on Volpe Firm.

Artificial intelligence (AI) is no longer a lab curiosity for cable operators—it’s quietly rewriting the rules of DOCSIS operations. Following is an overview of my take on where artificial intelligence is delivering value today and how it will reshape high-speed data service as DOCSIS 3.1 and 4.0 roll-outs continue across North America and beyond,

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We went deep into r/CableTechs, pulled the most‑asked DOCSIS questions, and tackled them on air—now you can watch the full replay! I’m Brady Volpe, joined by cable legend John Downey, breaking down everything from upstream ingress hunts and OFDM migraines to T3/T4 storms and mid‑split mysteries. 🔍 What you’ll learn Why RxMER bounces and how

The post Reddits Top DOCSIS Troubleshooting Questions Answered  appeared first on Volpe Firm.

The Cable Climb with Mike O’Dell: From technician to engineer in cable industry! Join host Brady Volpe as he interviews Mike O’Dell, a Distinguished Engineer at Comcast, to uncover how he started out in hands-on cable tech roles and climbed his way to the top. Learn what motivated Mike, the pivotal moments in his

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THE CABLE CLIMB with Ron Hranac: From the Bucket Truck to the Boardroom! Join host Brady Volpe as he interviews Ron Hranac—an industry veteran who climbed the ladder (literally!) from bucket trucks to boardrooms. In this inspiring episode, Ron shares how he built his career in the cable broadband industry, revealing practical tips and

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SCTE 294 2024r1 EXPLAINED: Mastering Cable Upstream RF Troubleshooting for DOCSIS Pros In this episode, we take a deep dive into SCTE 294 2024r1, one of the most important industry references for cable professionals. Discover how to optimize your upstream RF spectrum by mastering topics like unity gain, sub-split vs. mid-split vs. high-split architectures, and

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