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Physical layer

In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer: the layer most closely associated with the physical connection between devices. The physical layer provides an electrical, mechanical, and procedural interface to the transmission medium. The shapes and properties of the electrical…

Products, Services & PHY

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Overview

Role

Physical signaling sublayer

Relation to the Internet protocol suite

Services

PHY

Technologies

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Map overview Semantic statistics

Physical layer

Nodes164
Edges163
Triples90
Avg. degree1.99
Density0.012195
Components1

How this topic connects Entity context

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Physical layer

Top relations

related to Technologies · 27
Physical layer → Avionics Digital Video BusBluetooth, E-carrier, E1, EIA-422, EIA-423, Express, FX, IEEE, Including, Industry Processor Interface, ITU-T, ITU-TI²C, I²SLoRaLow-voltage, OTN, Recommendations, RS-232, RS-449, RS-485EtherloopEthernet, SMBSONET/SDHSPIT1, SX
has application · 22
Physical layer → DSP, IrDA, IrPHY, It, LTE/5G, MAC, PCI Express, PCIe, PHY, RF, SATA, Serial ATA, Similar, SOC, The Infrared Data Association's, The PHY, Universal Serial Bus, USB, UWB, Wi-Fi
related to Ethernet physical transceiver · 16
Physical layer → Ethernet, Ethernet PHY, Ethernet's, It, Its, LAN, MAC, MII, More, NIC, OSI, PHY, ROM, Similarly, The Ethernet PHY, The PHY
related to Services · 7
Physical layer → CSMA/CD, Ethernet's Carrier-sense, It, Line, More, Sharing, The
related to PHY · 5
Physical layer → MAC, OSI, PCS, PHY, PMD
related to Physical signaling sublayer · 4
Physical layer → In, MAC, Open Systems Interconnection, OSI
related to External links · 2
Physical layer → Layer, Walkthrough
related to Role · 2
Physical layer → It, The

Important terminology Word statistics

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Important terminology

physical layer phy transmission medium data network interface electrical ethernet may signal link communication model chip mac osi line used

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
free-space optical communication or radio.Line coding is used to convert data into a pattern of electrical fluctuations which may be modulated onto a carrier wave or infrared lightinstance ofThe transmission medium may be electrical or optical over optical fiber or a wireless communication link0.80text
equalizationinstance ofsignal processing techniques0.80text
training sequencesinstance ofsignal processing techniques0.80text
pulse shaping may be usedinstance ofsignal processing techniques0.80text
an optical fiber or copper cableinstance ofto a physical medium0.80text
Physical layerhas applicationWireless LAN0.60section
Physical layerhas applicationWi-Fi0.60section
Physical layerhas applicationThe PHY0.60section
Physical layerhas applicationRF0.60section
Physical layerhas applicationDSP0.60section
Physical layerhas applicationIt0.60section
Physical layerhas applicationPHY0.60section

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