With the adoption of smart building technologies, more devices than ever are being connected to and powered by the network. Today’s LAN environments commonly encounter situations in which a connected end device is located too far from the nearest TR to maintain the 100m distance limitation for copper cabling.

It has long been known that twisted-pair copper cabling is one standards-based option for connecting devices beyond 100m, but there is confusion in the industry about the distances that twisted-pair copper cables can reliably support at various transmission speeds and remote powering levels. To strategically address scenarios where a device is located beyond 100m with reduced risk, information and communications technology (ICT) professionals need to understand the pros and cons of the various options, technical factors involved, and key considerations surrounding testing to help them identify reality and navigate claims.

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