The Number One Crossbar Switching System (1XB), was the primary technology for urban telephone exchanges served by the Bell System in the mid-20th century...

Later implementations achieved the same switching topology in solid-state electronics. The crossbar switch is one of the principal telephone exchange architectures...

The Number Five Crossbar Switching System (5XB switch) is a telephone switch for telephone exchanges designed by Bell Labs and manufactured by Western...

a class-5 switch. E10S satellite switching unit. E10-MSC mobile switching center for GSM and other protocols. 1000 (MM) E10 - Evolved switch for multimedia...

the Bell System and used the panel switch, or later the Number One Crossbar Switching System (1XB), or the Number 5 Crossbar Switching Systems rather than...

(XBT) variant of the Number One Crossbar Switching System, or 1XB switch. The Number 4 Crossbar ("4XB") tandem switch was used in the North American toll network...

electronic switching systems in the 1960s were not entirely digital in nature, but used reed relay-operated metallic paths or crossbar switches operated...

The 411 number has been in use since at least 1930 in New York City, San Francisco, and other large cities where panel and crossbar switching equipment...

System in the United States by the name Common Channel Interoffice Signaling in the 1970s for signaling between No. 4ESS switch and No. 4A crossbar toll...

automatic number identification had been retrofitted to nearly all step-by-step and crossbar switches in the Bell System. Electronic switching systems gradually...

of multistage circuit-switching network which represents a theoretical idealization of practical, multistage switching systems. It was invented by Edson...

the Number One Crossbar Switching System, Number Five Crossbar Switching System, 1ESS switch and other switches. In early electromechanical switches, a...

a crossbar, each output connects to one input, so that information can flow through every output simultaneously. Crossbars used for packet switching are...

crossbar switch was only making a single connection. The other contacts on the two bars were unused. This seemed to imply that most of the switching fabric...

Centrifugal switch Company switch Crossbar switch Dead man's switch Fireman's switch Hall-effect switch Inertial switch Isolator switch Key switch Kill switch Latching...

digital basis.[citation needed] Traffic switching in the ISCs was then typically handled by crossbar switches or electronically controlled cross-points...

elements (PEs) on one end of the network and memory elements (MEs) on the other end, connected by switching elements (SEs). The switching elements themselves...

of new crossbar switching systems for toll-dialing in New York and Chicago, which added new technology to the No. 4 Crossbar Switching System, first installed...

memory data access and to reduce the system bus traffic. Processors may be interconnected using buses, crossbar switches or on-chip mesh networks. The bottleneck...

network switch.[citation needed] The future is moving to larger arrays of inputs and outputs needed in a very small space. Clos switch Crossbar switch Picton...

over in complex patterns. Logical banyan switches are used in logic or signal pathways to crossover switching of signals onto new pathways. They can be...

employees. The Strowger system was widely used until the development of the more reliable crossbar switch, an electromechanical switch with a matrix of vertical...

telephone switching systems, where the total number of subscriber lines and multiple central offices throughout the city required complex switching arrangements...

was not encrypted. The telephone switches used were initially a 4 wire version of Number Five Crossbar Switching System, replaced in the early 1970s after...

well as five crossbar switch fabric modules at the rear. Beside the Nexus 7000 there are also other models in the Nexus range. All switches in the Nexus...

The Panel Machine Switching System is a type of automatic telephone exchange for urban service that was used in the Bell System in the United States for...

cables. The damaged Number One Crossbar Switching System (1XB switch) was cleaned, and a Number One Electronic Switching System (1ESS switch) that had been...

and Australia, to convey exchange information between two telephone switching systems for establishing a telephone call via a telephone trunk. It is suitable...

service quality throughout the Bell System. They enabled employees, who had never met previously, to easily work with one another in the event of a service...

discrete dynamical system consisting of a uniform (finite or infinite) grid of cells. Each cell can be in only one of a finite number of states at a discrete...