Definition Edit

The physical layer is the lowest layer in both the OSI and TCP/IP network models. The physical layer is the actual medium used for communications, such as copper wire, optical fiber, or radio waves.

Overview Edit

[T]his layer consists of the physical networking hardware (such as an Ethernet card or Token Ring card) that carries the data packets in a network.[1]

"Examples of this layer include, but are not limited to, Wi-Fi (IEEE 802.11), Code Division Multiple Access (CDMA), Global System for Mobile Communications (GSM), etc."[2]

References Edit

  1. Technology Assessment: Cybersecurity for Critical Infrastructure Protection, at 144.
  2. The Smart Grid Collaborative Report to the Michigan Public Service Commission (MPSC), at 108.

See also Edit

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.