signalling indicator
1Signalling Connection Control Part — (abgekürzt SCCP) ist eine in Telekommunikationsnetzen wie dem Telefonnetz im Rahmen des Signalling System 7 (abgekürzt SS7) eingesetzte Vermittlungsschicht. Sie dient im Signalisierungsnetz dem Routing, der Fehlerkorrektur und Flusskontrolle und… …
2Signalling Connection Control Part — The Signalling Connection Control Part (SCCP) is a network layer [ [http://www.itu.int/T REC Q.1400/en/ ITU T Recommendation Q.1400] .] protocol that provides extended routing, flow control, segmentation, connection orientation, and error… …
3UK railway signalling — The railway signalling systems used across the majority of the United Kingdom rail network use lineside signals to advise the driver of the status of the section of track ahead. Most lineside signals are in colour light form, but a significant… …
4Railway signalling — Not to be confused with Railway signal. A gantry of British semaphore signals seen from the cab of a steam locomotive Railway signalling is a system used to control railway traffic safely, essentially to prevent trains from colliding. Being… …
5Australian railway signalling — Just as the railways of Australia has suffered issues from incompatible rail gauges, the different states have tended to go their own way regarding railway signalling practice.New South WalesThe signalling system in New South Wales consists… …
6British absolute block signalling — The principle of the British absolute block system of railway signalling is to facilitate the safe operation of a railway by preventing more than one train from occupying a defined section of route at the same time. This system is used on double… …
7Network Indicator — (NI) is a part of the Signalling Information Octet (SIO) and contains SubService Field which indicates the type of the network (e.g. INTL/NATL) and the Service Indicator Field which indicates the nature of the message (SCCP/TUP). See also *… …
8Panel call indicator — Panel Call Indicator, or PCI, is a form of signalling used between two telephone offices.PCI was designed along with the panel type of telephone office. The original purpose of PCI was to allow panel subscribers to dial numbers in manual offices… …
9Japanese railway signals — This article explains railway signals in Japan.In Japanese ministerial decree defining technical standard of railway (鉄道に関する技術上の基準を定める省令 Tetsudō ni kansuru gijutsu jō no kijun wo sadameru shōrei), railway signals are defined to indicate… …
10Automatic Train Control — Japanese style ATC indicator. Automatic Train Control (ATC) is a train protection system for railways, ensuring the safe and smooth operation of trains on ATC enabled lines. Its main advantages include making possible the use of cab signalling… …
