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...
17 KB (1,701 words) - 21:45, 29 August 2024
The physical-layer specifications of the Ethernet family of computer network standards are published by the Institute of Electrical and Electronics Engineers...
61 KB (3,053 words) - 23:34, 17 September 2024
OSI model (redirect from OSI seven-layer model)
communications between systems are split into seven different abstraction layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application...
55 KB (5,646 words) - 18:53, 15 November 2024
transfers data between nodes on a network segment across the physical layer. The data link layer provides the functional and procedural means to transfer...
16 KB (2,170 words) - 22:53, 3 September 2024
Ethernet Advanced Physical Layer (Ethernet-APL) describes a physical layer for the Ethernet communication technology which is especially developed for...
8 KB (735 words) - 17:10, 4 September 2024
OSI layers. Telephone network modems IrDA physical layer USB physical layer EIA RS-232, EIA-422, EIA-423, RS-449, RS-485 Ethernet physical layer 10BASE-T...
11 KB (970 words) - 17:09, 13 October 2024
Medium access control (redirect from MAC layer)
control abstraction of the physical layer such that the complexities of physical link control are invisible to the LLC and upper layers of the network stack...
10 KB (1,265 words) - 17:23, 4 September 2024
as a combination of the OSI's data link layer (layer 2) and physical layer (layer 1). The link layer is described in RFC 1122 and RFC 1123. RFC 1122...
6 KB (1,060 words) - 20:14, 27 August 2024
In the seven-layer OSI model of computer networking, the network layer is layer 3. The network layer is responsible for packet forwarding including routing...
5 KB (636 words) - 08:56, 23 October 2024
networking, an Ethernet frame is a data link layer protocol data unit and uses the underlying Ethernet physical layer transport mechanisms. In other words, a...
26 KB (3,289 words) - 17:02, 21 November 2024
EBUS (serial buses) (section Physical layer)
e.g.: eBUS specifications – physical layer / data-link layer V.1.3.1 (March 2007) eBUS specifications – application layer V1.6.1 (March 2007) eBus Wiki...
5 KB (679 words) - 03:19, 10 November 2023
IEEE 802.15.4 (section The physical layer)
low-rate wireless personal area network (LR-WPAN). It specifies the physical layer and media access control for LR-WPANs, and is maintained by the IEEE...
20 KB (2,517 words) - 15:44, 11 November 2024
CAN bus (section CAN lower-layer standards)
link layer, and ISO 11898-2 which covers the CAN physical layer for high-speed CAN. ISO 11898-3 was released later and covers the CAN physical layer for...
67 KB (8,713 words) - 20:56, 19 November 2024
In computer networking, the transport layer is a conceptual division of methods in the layered architecture of protocols in the network stack in the Internet...
16 KB (1,611 words) - 02:26, 18 September 2024
Communication protocol (redirect from Protocol layer)
reported to the network layer. The exchange of data link units (including flow control) is defined by this layer. The physical layer describes details like...
65 KB (8,221 words) - 04:27, 2 November 2024
Asynchronous communication (section Physical layer)
start and stop bits. In asynchronous serial communication in the physical protocol layer, the data blocks are code words of a certain word length, for example...
6 KB (593 words) - 12:18, 5 November 2024
standards. It resides at the top of the physical layer (PHY), and provides an interface between the physical medium attachment (PMA) sublayer and the...
5 KB (709 words) - 23:05, 15 September 2024
PCI Express (section Physical layer)
PCI Express is a layered protocol, consisting of a transaction layer, a data link layer, and a physical layer. The Data Link Layer is subdivided to include...
136 KB (12,754 words) - 13:40, 8 November 2024
OSI protocols (section Layer 1: physical layer)
is structured into seven conceptual layers. The layers form a hierarchy of functionality starting with the physical hardware components to the user interfaces...
11 KB (1,195 words) - 15:13, 19 November 2024
DeviceNet (section Physical layer)
Technical Overview Define the OSI seven-layer architecture model the physical layer, data link layer and application layer Network in addition to the signal...
8 KB (1,081 words) - 17:23, 13 November 2024
Internet protocol suite (redirect from TCP/IP five layer model)
whether the link layer, or any aspect of the TCP/IP model, covers OSI layer 1 (physical layer) issues, or whether TCP/IP assumes a hardware layer exists below...
59 KB (6,800 words) - 05:02, 18 November 2024
SpaceWire (section Physical layer)
electronics. SpaceWire replaced old PECL differential drivers in the physical layer of IEEE 1355 DS-DE by low-voltage differential signaling (LVDS). SpaceWire...
11 KB (826 words) - 07:41, 6 November 2024
An application layer is an abstraction layer that specifies the shared communication protocols and interface methods used by hosts in a communications...
11 KB (1,113 words) - 13:21, 8 October 2024
Ethernet hub (redirect from Layer 1 switch)
output of every port except the original incoming. A hub works at the physical layer. A repeater hub also participates in collision detection, forwarding...
11 KB (1,396 words) - 19:38, 4 September 2024
Network topology (redirect from Physical topology)
logical topologies may be identical. A network's physical topology is a particular concern of the physical layer of the OSI model. Examples of network topologies...
40 KB (5,232 words) - 10:41, 16 November 2024
Key generation (section Generation in physical layer)
message. Chan Dai Truyen Thai; Jemin Lee; Tony Q. S. Quek (Feb 2016). "Physical-Layer Secret Key Generation with Colluding Untrusted Relays". IEEE Transactions...
5 KB (688 words) - 14:46, 18 November 2024
ControlNet (section Physical layer)
can be strictly scheduled and highly deterministic. Due to the unique physical layer, common network sniffers such as Wireshark cannot be used to sniff ControlNet...
4 KB (521 words) - 23:15, 25 April 2024
DVB-T2 (redirect from Physical Layer Pipe)
system transmits compressed digital audio, video, and other data in "physical layer pipes" (PLPs), using OFDM modulation with concatenated channel coding...
73 KB (8,439 words) - 08:03, 20 November 2024
UniPro protocol stack (section Physical Layer (L1))
UniPro, the OSI Physical Layer is split into two sublayers: Layer 1 (the actual physical layer) and Layer 1.5 (the PHY Adapter layer) which abstracts...
35 KB (4,180 words) - 22:11, 6 November 2024
MOST Bus (section Physical layer)
Technology. The MOST specification defines the physical and the data link layer as well as all seven layers of the OSI model for data communication. For...
9 KB (1,192 words) - 18:44, 8 October 2024