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Joe Randolph

Joseph Randolph is an independent consultant with over thirty years of experience in the design of telecommunications equipment. He received his BSEE degree from Virginia Polytechnic Institute and his MSEE degree from Purdue University. Prior to becoming a consultant in 1984, he was employed at AT&T Bell Labs. His background includes the design of traditional telecom voice and data equipment, DSL, and a wide variety of emerging VOIP and IP telephony products including optical network terminal devices. His primary specialty areas are circuit design, lightning protection, international regulatory compliance, and compliance with industry standards such as Telcordia NEBS GR-1089 for carrier-class telecom equipment in the USA. He is a Senior Member of the IEEE and serves on the Telecom Advisory Committee of the IEEE Product Safety Engineering Society.

From This Author

New Requirements for MOVs Used for Surge Suppression on AC Mains Ports

It is a common misconception that any product that complies with IEC 60950-1 will also comply with IEC 62368-1. A key goal of this article is to help readers of IEC 62368-1 understand the underlying safety concerns that the new requirements are trying to address.

Designing Ethernet Cable Ports to Withstand Lightning Surges

Known mechanisms that couple lightning surges onto communication cables, and how these mechanisms apply for the specific case of Ethernet cabling.

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