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crossbar switch

   Also found in: Wikipedia 0.03 sec.

crossbar switch

An earlier telephone switch. First used in the late 1930s, it was a mechanical device that used magnets and metal bars (crossbars) to close connections. Crossbar switches have been replaced with electronic switches (large-scale, specialized computer systems). See ESS and DMS. See also crosspoint switch.

crossbar switch [′krȯs‚bär ‚swich]
(electricity)
A switch having a three-dimensional arrangement of contacts and a magnet system that selects individual contacts according to their coordinates in the matrix.


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The first, the TagmaStore Network Storage Controller model NSC55, delivers all of the revolutionary functionality of the TagmaStore Universal Storage Platform--including its massively parallel crossbar switch architecture for high availability and performance; large-scale controller-based virtualization layer for ease-of-management; logical partitioning for application quality-of-service; storage-agnostic universal replication for business continuance; and a rich set of software tools.
Hitachi launches full scale assault on midrange storage market by EDP Weekly's IT Monitor
The technology calls for a nanoscale crossbar switch structure to be layered on top of conventional CMOS (complementary metal oxide silicon), using an architecture HP Labs researchers have named "field programmable nanowire interconnect (FPNI)" - a variation on the well-established FPGA technology.
HP Presents Alternate Strategy for Chip Improvement by Business Wire
The doubling of capacity combined with the high bandwidth of Hitachi's crossbar switch architecture and virtual storage ports are key differentiators between Hitachi's products and the competition.
Hitachi Data Systems accelerates lead in high-end storage by EDP Weekly's IT Monitor
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