framing signal
101Public switched telephone network — The public switched telephone network (PSTN) is the network of the world s public circuit switched telephone networks. It consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites …
102Letter box — This article is about boxes for depositing letters. For video framing, see letterbox. For the type of interprocess communication, see MailSlot . A letter box, letterbox, letter plate, letter hole, mail slot, or mailbox is a receptacle for… …
103Ethernet hub — 4 port Ethernet hub An Ethernet hub, active hub, network hub, repeater hub or hub is a device for connecting multiple Ethernet devices together and making them act as a single network segment. A hub works at the physical layer (layer 1) of the… …
104Intelligent lighting — A Martin MAC 550 intelligent light Intelligent lighting refers to stage lighting that has automated or mechanical abilities beyond those of traditional, stationary illumination. Although the most advanced intelligent lights can produce… …
105Union Army Balloon Corps — Infobox Military Unit unit name= Union Army Balloon Corps caption= Woodblock sketch of Lowe s balloon with McClellan s Army of the Potomac as depicted in Harper s Weekly . dates= October 1861 August 1863 country= United States allegiance= Union… …
106Multipoint ground — A Multipoint Ground is an alternate type of electrical installation that attempts to solve the Ground Loop and Mains hum problem by creating many alternate paths for electrical energy to find its way back to ground. The distinguishing… …
107Multiplexverfahren — (lat. multiplex „vielfach, vielfältig“) sind Methoden zur Signal und Nachrichtenübertragung, bei denen mehrere Signale zusammengefasst (gebündelt) und simultan über ein Medium (Leitung, Kabel oder Funkstrecke) übertragen werden. Oftmals werden… …
108Consolidated B-24 Liberator — B 24 redirects here. For other meanings, see B24 (disambiguation). B 24 Liberator U.S. Army Air Forces Consolidated B 24D Liberator over Maxwell Field, Alabama …
109Link layer — In computer networking, the link layer is the lowest layer in the Internet Protocol Suite (commonly known as TCP/IP ), the networking architecture of the Internet (RFC 1122, RFC 1123). It is the group of methods or protocols that only operate on… …
110Asynchronous Transfer Mode — In electronic digital data transmission systems, the network protocol Asynchronous Transfer Mode (ATM) encodes data traffic into small fixed sized cells. The standards for ATM were first developed in the mid 1980s. The goal was to design a single …
