Advances in optoelectronics, and the need for speeds well beyond the practical limits of copper have given rise to fiber cabling being the dominant media in today’s data centers. The latest Ethernet applications standard approved in the IEEE 802.3 committees addressed speeds of 400Gb/s, which is more than an order of magnitude faster than the upper bounds for copper at the standard 100 m distance. In spite of this, copper still plays an essential role in the data center. More importantly, there continues to be innovations in copper cabling that make deployment and time-to-service easier and faster.

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