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VMEBus Switched Serial, commonly known as VXS, is an Technology Overview: VITA 41 (VXS)
/ref> VXS is backward compatible with VMEBus. It is defined by the VME International Trade Association (VITA) working group.
VMEBus Switched Serial, commonly known as VXS, is an ANSI
The American National Standards Institute (ANSI ) is a private non-profit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States. The organi ...
standard (ANSI/VITA 41) that improves the performance of standard parallel VMEbus
VMEbus (Versa Module Europa or Versa Module Eurocard bus) is a computer bus standard, originally developed for the Motorola 68000 line of CPUs, but later widely used for many applications and standardized by the IEC as ANSI/IEEE 1014-1987. ...
by enhancing it to support newer switched serial fabrics. The base specification (ANSI 41) defines all common elements of the standard, while "dot"-specifications (ANSI 41.''n'') define extensions which use specific serial fabrics (such as PCI Express
PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X and AGP bus standards. It is the common ...
, RapidIO, StarFabric from Dolphin Interconnect Solutions
Dolphin Interconnect Solutions is a privately held manufacturer of high-speed data communication systems headquartered in Oslo, Norway and Woodsville, New Hampshire, USA.
The technology of Dolphin was based on development work at Norsk Data du ...
and InfiniBand
InfiniBand (IB) is a computer networking communications standard used in high-performance computing that features very high throughput and very low latency. It is used for data interconnect both among and within computers. InfiniBand is also use ...
) or additional functionality./ref> VXS is backward compatible with VMEBus. It is defined by the VME International Trade Association (VITA) working group.
Specification
In common with other similar standards, VXS comprises a ‘base line’ specification, which defines the basic mechanical and electrical elements of VXS, together with a series of ‘dot level’ specifications, one or more of which must be implemented to create a functional module. The specifications are as follows:See also
* VPXReferences
{{Computer bus Computer buses American National Standards Institute standards