signalling link
111Great Eastern Main Line — GEML redirects here. For the Spanish airport, see Melilla Airport. Great Eastern Main Line National Express East Anglia class 360 at Marks Tey. Overview …
112Crianlarich railway station — Crianlarich A Chrìon Làraich Crianl …
113Rail profile — Rail from 1896 Cross sections of flat bottomed which can rest directly …
114VoIPVendor — VoIP TerminologyIn a VoIP based system VoIP or IP PBX starts up (boots up) like any other servers. This can be running on a generic OS based hardware or proprietary OS and specialized server hardware. Once the booting up is complete, the IP… …
115NZR FP class — NZR FP/FT class Matangi Matangi electric multiple unit train FP/FT 4103 at Wellington Railway Station platform 9 for a public open day on 9 September 2010 …
116East Coast Main Line Route Utilisation Strategy — The East Coast Main Line Route Utilisation Strategy is a Route Utilisation Strategy (RUS), published by Network Rail in February 2008 [1][2][3] It was the seventh RUS to be produced. By default, RUSs are established by the Office of Rail… …
117Adenosine triphosphate — For the Japanese rock band, see Adenosine Tri Phosphate (band). Adenosine triphosphate …
118PDP-8 — A PDP 8 on display at the Smithsonian s National Museum of American History in Washington, D.C.. This example is from the first generation of PDP 8s, built with discrete transistors and later known as the Straight 8. The 12 bit PDP 8 was the… …
119On-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… …
120Track circuit — A track circuit is a simple electrical device used to detect the presence or absence of a train on rail tracks, used to inform signallers and control relevant signals. Principles and operation The basic principle behind the track circuit lies in… …
