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z Uses 8b/10b encoding, meaning that 20% of each transfer is used by the interface instead of carrying data from between the hardware components at each end of the interface. For example, a single link PCIe 1.0 has a 2.5 Gbit/s transfer rate, yet its usable bandwidth is only 2 Gbit/s (250 MB/s).
IEEE 1394 is a serial bus architecture for high-speed data transfer, serial meaning that information is transferred one bit at a time. Parallel buses utilize a number of different physical connections, and as such are usually more costly and typically heavier. [6] IEEE 1394 fully supports both isochronous and asynchronous applications.
Profibus (usually styled as PROFIBUS, as a portmanteau for Process Field Bus) is a standard for fieldbus communication in automation technology and was first promoted in 1989 by BMBF (German department of education and research) and then used by Siemens. [1] It should not be confused with the Profinet standard for Industrial Ethernet. Profibus ...
In telecommunications, data transfer rate is the average number of bits , characters or symbols , or data blocks per unit time passing through a communication link in a data-transmission system. Common data rate units are multiples of bits per second (bit/s) and bytes per second (B/s).
Four PCI Express bus card slots (from top to second from bottom: ×4, ×16, ×1 and ×16), compared to a 32-bit conventional PCI bus card slot (very bottom). In computer architecture, a bus [1] (historically also called data highway [2] or databus) is a communication system that transfers data between components inside a computer, or between computers.
The My Book Studio Edition comes with quad interface: USB 2.0 / FireWire 400 / FireWire 800 and eSATA. It is marketed for use with Mac OS X. This edition is available with storage capacities of 1 TB, 1.5 TB and 2 TB. [17] The current edition (as of November 2010) has two FireWire 800 ports and one USB 2.0 mini port.
Additionally, USB ports are color-coded according to the specification and data transfer speed, e.g. USB 1.x and 2.x ports are usually white or black, and USB 3.0 ones are blue. SuperSpeed+ connectors are teal in color. [2] FireWire ports used with video equipment (among other devices) can be either 4-pin or 6-pin. The two extra conductors in ...
Controller Area Network (CAN) – an inexpensive low-speed serial bus for interconnecting automotive components; FlexRay – a general purpose high-speed protocol with safety-critical features; IDB-1394; IEBus; J1708 – RS-485 based SAE specification used in commercial vehicles, agriculture, and heavy equipment.