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VXS (VITA 41) Backplanes
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The VITA 41 specification for the VXS switched serial backplane has been ratified by VITA. The VXS backplane allows three options: plug in standard VME64x cards for parallel bus use, integrate new payload and switch cards for parallel bus and switch fabric transport, and switch fabric transport only. Elma Bustronic has developed five types of VXS backplanes. Card vendors have released a wealth of VXS products, some details are below.

 
 


Background

The VXS backplane is a Motorola-backed effort by VITA to bring switched serial fabrics to VME. Part of the "VME Renaissance", the VITA 41.0 specification for VXS has been ratified. VXS adds a high-speed connector over P0 of a VME64x backplane for serial data traffic. The VXS spec allows for four differential serial pairs per direction link over P0, and supports up to two such ports on each VMEbus card.The subsets of VITA 41 include InfiniBand (VITA 41.1), Rapid I/O (VITA 41.2), and may include GigaBit Ethernet (VITA 41.3), PCI Express (VITA 41.4) and StarFabric (VITA 41.5).


Industry Articles

VXS Backplane Design - A Closer Look
Backplane Design Has Critical Role in New Specifications

Feature Products

Elma Bustronic

Elma Bustronic has announced a 5-slot Switchless Mesh VXS development backplane. This unique backplane has point-to-point connections, allowing prototyping and development without the expense of a switch card. (More)
Elma Bustronic

 Elma Bustronic has developed a 20-slot Dual Star, 12-slot Dual Star, 8-slot Dual Star, and a 5-slot Single Star VXS backplane with special features for high performance. (More)

Tek Micro

Quixilica Callisto VXS-1 is the first VXS product to combine a high-density FPGA processing platform with a digital I/O architecture that provides an unprecedented full duplex I/O bandwidth of up to 190 Gbits/s. (More)

Pentek

The first in a series of VXS products, the Model 6821 a single-channel, 6U VMEbus board featuring one of the fastest 12-bit analog-to-digital (A/D) converters in the market with sampling rates to 215 MHz. (More)