Physics isn't always constant. Several factors can shorten your effective cable length:
(split into 5m on each end) for "patch cables" to connect your devices to the wall outlet. network cable length
Longer wires have more resistance , leading to larger voltage drops. This is especially critical for Power over Ethernet (PoE) , where a cable too long may not deliver enough power to run a camera or Wi-Fi access point. Environmental Variables: When 100m is Too Long Physics isn't always constant
The length of a network cable is not just a physical measurement; it is a fundamental constraint that dictates the speed and reliability of the digital world. While often invisible to the average user, the "100-meter rule" of Ethernet cabling is a masterpiece of engineering compromise between physics and performance. The Standard: The 100-Meter Horizon This is especially critical for Power over Ethernet
As electricity travels through copper, it meets resistance, causing the signal to lose energy and "fade".