signaling equipment
71Metro Ethernet — A Metro Ethernet is a computer network that covers a metropolitan area and that is based on the Ethernet standard. It is commonly used as a metropolitan access network to connect subscribers and businesses to a larger service network or the… …
72Blue box (phreaking) — An early phreaking tool, the blue box is an electronic device that simulates a telephone operator s dialing console. It functions by replicating the tones used to switch long distance calls and using them to route the user s own call, bypassing… …
73List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… …
74Automotive lighting — Blinker redirects here. For other uses, see Blinker (disambiguation). Not to be confused with Magneti Marelli company AL Automotive Lighting. For lights in seafaring and aviation, see navigation light. The lighting system of a motor vehicle… …
75Digital Signal 1 — (DS1, sometimes DS 1) is a T carrier signaling scheme devised by Bell Labs.[1] DS1 is a widely used standard in telecommunications in North America and Japan to transmit voice and data between devices. E1 is used in place of T1 outside North… …
76On-board diagnostics — On Board Diagnostics, or OBD, in an automotive context, is a generic term referring to a vehicle s self diagnostic and reporting capability. OBD systems give the vehicle owner or a repair technician access to state of health information for… …
77Guglielmo Marconi — Born 25 April 1874(1874 04 25) Palazzo Marescalchi, Bologna …
78Signal Transfer Point — A Signal Transfer Point (STP) is a router that relays SS7 messages between signaling end points (SEPs) and other signaling transfer points (STPs). Typical SEPs include SSPs and SCPs. The STP is connected to adjacent SEPs and STPs via signaling… …
79Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
80Electric power transmission — Electric transmission redirects here. For vehicle transmissions, see diesel electric transmission. 400 kV high tension transmission lines near Madrid Electric power transmission or high voltage electric transmission is the bulk transfer of… …
