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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).
The 6-conductor and 4-conductor alpha FireWire 400 socket A 9-pin FireWire 800 connector The alternative Ethernet-style cabling used by 1394c 4-conductor (left) and 6-conductor (right) FireWire 400 alpha connectors A PCI expansion card that contains four FireWire 400 connectors. FireWire is Apple's name for the IEEE 1394 High Speed Serial Bus.
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 ...
The protocol was openly documented [1] and over time used for industrial automation applications. PieP – An Open Fieldbus Protocol; Profibus – by PROFIBUS & PROFINET International (PI) PROFINET - by PROFIBUS & PROFINET International (PI) RAPIEnet – Real-time Automation Protocols for Industrial Ethernet
The ISQ symbols for the bit and byte are bit and B, respectively.In the context of data-rate units, one byte consists of 8 bits, and is synonymous with the unit octet.The abbreviation bps is often used to mean bit/s, so that when a 1 Mbps connection is advertised, it usually means that the maximum achievable bandwidth is 1 Mbit/s (one million bits per second), which is 0.125 MB/s (megabyte per ...
To reduce the number of pins in a package, many ICs use a serial bus to transfer data when speed is not important. Some examples of such low-cost lower-speed serial buses include RS-232, DALI, SPI, CAN bus, I²C, UNI/O, and 1-Wire. Higher-speed serial buses include USB, SATA and PCI Express.
FireWire cameras use the IEEE 1394 bus standard for the transmission of audio, video and control data. FireWire is Apple Computer 's trademark for the IEEE 1394 standard. FireWire cameras are available in the form of photo cameras and video cameras , which provide image and audio data .
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 ...
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