A report on Physical layer
First and lowest layer; The layer most closely associated with the physical connection between devices.
- Physical layer31 related topics with Alpha
OSI model
8 linksConceptual model that describes the universal standard of communication functions of a telecommunication system or computing system, without any regard to the system's underlying internal technology and specific protocol suites.
Conceptual model that describes the universal standard of communication functions of a telecommunication system or computing system, without any regard to the system's underlying internal technology and specific protocol suites.
The Physical Layer is responsible for the transmission and reception of unstructured raw data between a device, such as a network interface controller, Ethernet hub, or network switch, and a physical transmission medium.
Data link layer
6 linksSecond layer of the seven-layer OSI model of computer networking.
Second layer of the seven-layer OSI model of computer networking.
This layer is the protocol layer that transfers data between nodes on a network segment across the physical layer.
Computer network
6 linksSet of computers sharing resources located on or provided by network nodes.
Set of computers sharing resources located on or provided by network nodes.
Bus network: all nodes are connected to a common medium along this medium. This was the layout used in the original Ethernet, called 10BASE5 and 10BASE2. This is still a common topology on the data link layer, although modern physical layer variants use point-to-point links instead, forming a star or a tree.
Internet protocol suite
4 linksSet of communication protocols used in the Internet and similar computer networks.
Set of communication protocols used in the Internet and similar computer networks.
These perform functions, such as framing, to prepare the Internet layer packets for transmission, and finally transmit the frames to the physical layer and over a transmission medium.
Network topology
3 linksArrangement of the elements of a communication network.
Arrangement of the elements of a communication network.
A network’s physical topology is a particular concern of the physical layer of the OSI model.
Ethernet over twisted pair
4 links
Ethernet over twisted-pair technologies use twisted-pair cables for the physical layer of an Ethernet computer network.
Link layer
4 linksLowest layer in the Internet protocol suite, the networking architecture of the Internet.
Lowest layer in the Internet protocol suite, the networking architecture of the Internet.
Despite the different semantics of layering between the Internet protocol suite and OSI model, the link layer is sometimes described as a combination of the OSI's data link layer (layer 2) and physical layer (layer 1).
Network interface controller
3 linksComputer hardware component that connects a computer to a computer network.
Computer hardware component that connects a computer to a computer network.
The network controller implements the electronic circuitry required to communicate using a specific physical layer and data link layer standard such as Ethernet or Wi-Fi.
G.hn
4 linksSpecification for home networking with data rates up to 2 Gbit/s and operation over four types of legacy wires: telephone wiring, coaxial cables, power lines and plastic optical fiber.
Specification for home networking with data rates up to 2 Gbit/s and operation over four types of legacy wires: telephone wiring, coaxial cables, power lines and plastic optical fiber.
ITU-T Recommendation (the ITU's term for standard) G.9960, which received approval on October 9, 2009, specified the physical layers and the architecture of G.hn.
Physical medium dependent
2 linksPhysical medium dependent sublayers or PMDs further help to define the physical layer of computer network protocols.