interconnection wiring
21EIA-485 — In telecommunications, EIA 485 (formerly RS 485 or RS485) is an electrical specification of a two wire, [ [http://www.chipkin.com/articles/rs485 cables why you need 3 wires for 2 two wire rs485 Why you need 3 wires for 2 (two) wire RS485] ] half… …
22Three-dimensional integrated circuit — In electronics, a three dimensional integrated circuit (3D IC, 3D IC, or 3 D IC) is a chip in which two or more layers of active electronic components are integrated both vertically and horizontally into a single circuit. The semiconductor… …
23Central vacuum cleaner — The power unit of a typical central vacuum cleaner for residential use A central vacuum cleaner (also known as built in or ducted) is a type of vacuum cleaner appliance, installed into a building as a semi permanent fixture. Central vacuum… …
24Customer-premises equipment — or customer provided equipment (CPE) is any terminal and associated equipment located at a subscriber s premises and connected with a carrier s telecommunication channel(s) at the demarcation point ( demarc ). The demarc is a point established in …
251ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …
26Voice over IP — Digital voice redirects here. For the commercial service, see Comcast Digital Voice. Voice over Internet Protocol (Voice over IP, VoIP) is a family of technologies, methodologies, communication protocols, and transmission techniques for the… …
27network — I (New American Roget s College Thesaurus) n. reticulation; net[ting], mesh, interlacing, openwork; hookup, web, interconnection. See crossing. II (Roget s IV) n. 1. [System of channels] Syn. tracks, circuitry, channels, interface, system,… …
28Communications system — Communication system In telecommunication, a communications system is a collection of individual communications networks, transmission systems, relay stations, tributary stations, and data terminal equipment (DTE) usually capable of… …
29DC connector — A DC connector (or DC plug, for one common type of connector) is an electrical connector for supplying direct current (DC) power. Unlike domestic AC power plugs and sockets, DC connectors are not generally standardized. The dimensions and… …
30Open source hardware — refers to computer and electronic hardware that is designed in the same fashion as free and open source software. Open source hardware is part of the open source culture that takes the open source ideas to fields other than software. An example… …
