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  2. Solid State Interlocking - Wikipedia

    en.wikipedia.org/wiki/Solid_State_Interlocking

    An SSI interlocking cubicle comprises three Interlocking Processors or Multi Processor Modules (MPMs), two Panel Processors and a Diagnostics Processor (DMPM). An SSI system can operate on two MPMs in the event of the failure of one. It does not need the DMPM to function as an interlocking, as this drives the technician's terminal only.

  3. Westlock Interlocking - Wikipedia

    en.wikipedia.org/wiki/Westlock_Interlocking

    WESTLOCK Interlocking is a Computer-based interlocking (CBI) product now sold and maintained by Siemens Mobility Limited, following their purchase of Westinghouse Rail Systems. Westlock builds on many of the features that made SSI popular in the United Kingdom. This includes re-use of SSI's programming language and its track-side hardware.

  4. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    EMS-1 (The ITEC Electronic Modular Switch is an electronic direct control switching system. The modules are combined to form a complete switch or any of the modules can be added to your present Step-by-Step Systems.) EMS-2 (The EMS-2 RURAL SWITCH is a stored program control analog switch designed to be cost-effective in small exchanges.

  5. Radio-controlled model - Wikipedia

    en.wikipedia.org/wiki/Radio-controlled_model

    1:10 scale radio-controlled car (Saab Sonett II)A radio-controlled model (or RC model) is a model that is steerable with the use of radio control (RC). All types of model vehicles have had RC systems installed in them, including ground vehicles, boats, planes, helicopters and even submarines and scale railway locomotives.

  6. Frog (models) - Wikipedia

    en.wikipedia.org/wiki/Frog_(models)

    Founded in 1931 by Charles Wilmot and Joe Mansour, International Model Aircraft Ltd. (IMA) originally used the Frog brand name (the F.R.O.G. name was registered as an acronym in 1932 and contrary to later urban myth, did not, at least initially, stand for "Flies Right Off the Ground", which was believed because the first Frog Penguin models were gliders made out of metal that, opposed to being ...

  7. BiSS interface - Wikipedia

    en.wikipedia.org/wiki/BiSS_interface

    The BiSS protocol is designed in B mode and C mode (continuously bidirectional mode). It is used in industrial applications which require transfer rates, safety, flexibility and a minimized implementation effort. The BiSS interface has roots in SSI and a simplified INTERBUS. The proprietary standards, Hiperface and EnDat are competing solutions.