Latest among them is the video below the break from [Wim de Kinderen], who is demonstrating the workings of a mechanical crossbar switch with the help of a vintage Ericsson unit and an Arduino rep ...
Non-blocking NxN Crossbar with N inputs ports and N output ports can be used in networking switches such as PCI, Ethernet, InfiniBand, etc. It provides direct and low latency (1 cycle) switching from ...
Typically used in test labs and controlled by software, the physical layer switch resembles the old telephone switchboard, which cross-connected an input telephone line to an output line.