D5401 AWS 260108 D
D54 may refer to: * D54 (protocol) * a road in Dubai * Greek destroyer Leon (D54), a Greek Navy destroyer * INS Ranvir (D54), an Indian Navy destroyer * D54 (Croatia) D54 is a state road in the northern Dalmatia region of Croatia that branches off from D8 (Croatia), D8 state road, facilitating access to Obrovac, Zadar County, Obrovac and D27 (Croatia), D27 state road which in turn facilitates bypassing both M ...

D54 (protocol)
D54 is an analogue lighting communications protocol used to control stage lighting. It was developed by Strand Lighting in the late 1970s and was originally designed to handle 384 channels. Though more advanced protocols exist such as Digital MultipleX DMX (lighting), it was widely used in larger venues such as London's West End theatres which had Strand Lighting dimming installations, and it was popular amongst technicians because all the levels can be "seen" on an oscilloscope. D54 is still supported on legacy equipment such as the Strand 500 series consoles alongside DMX (lighting), DMX. Generally a protocol converter is now used to convert DMX (lighting) down to the native D54. History One of the significant problems in controlling dimmers is getting the control signal from a lighting control unit to the dimmer units. For many years this was achieved by providing a dedicated wire from the control unit to each dimmer (analogue control) where the voltage present on the wire was v ...
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Dubai Route Numbering System
The Dubai route numbering system is a network of highways and roads in Dubai, United Arab Emirates that is managed by the Roads and Transport Authority (RTA). The network comprises 6 main highways and several major and minor inter-city and intra-city roads. Routes E-routes Highways connecting Dubai to other emirates are designated ''Emirates routes'' or ''E-routes''. They are identified by an emblem of a falcon, the letter E and a two or three digit number. While within city limits, most roads and highways take alternate names, but are consistently identified by their corresponding E-route number. Six E-routes pass through Dubai, connecting the city with other emirates and towns: * E 11 (Sheikh Khalifa bin Zayed International Rd, Sheikh Maktoum Bin Rashid Rd, Sheikh Zayed Rd, Sheikh Rashid Rd, Al Ittihad Rd, Dubai - Sharjah Rd, Wasit Street, Wahda Street, Sheikh Mohammed bin Salem Rd, Al Rams Road ) * E 311(Sheikh Mohammed Bin Zayed Road) * E 44 (Al Khail Road; Dubai-Ha ...
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Greek Destroyer Leon (D54)
''Leon'' (D54) ( el, Α/Τ Λέων, "Lion") was a destroyer that served with the Greek Navy between 1951–1992. The ship had formerly served with the United States Navy under the name , famous for its alleged role in the Philadelphia Experiment. Service history ''Leon'' was transferred to Greece under the Mutual Defense Assistance Program The Mutual Defense Assistance Act was a United States Act of Congress signed by President Harry S. Truman on 6 October 1949. For US Foreign policy, it was the first U.S. military foreign aid legislation of the Cold War era, and initially to Eur .... It was put to service in January 1951 by Vice Admiral D. Foifas. She was used mainly for patrols in the Eastern Aegean Sea and for cadet officer (midshipmen) training. ''Leon'' was decommissioned on November 15. 1992 and later in November 1999 it was sold as scrap to the Piraeus-based V&J Scrapmetal Trading Ltd. Sister ships ''Leon'' belonged to a group of four ''Cannon''-class destroyers t ...
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INS Ranvir (D54)
INS ''Ranvir'' is the fourth of the five s built for the Indian Navy. ''Ranvir'' was commissioned on 28 October 1986. Service history 2008 INS ''Ranvir'' along with were anchored just outside Sri Lankan territorial waters to provide security for the Indian Prime Minister Dr Manmohan Singh, and other high-ranking officials at the 15th SAARC summit. 2015 On 22–26 May 2015, INS ''Ranvir'' with visited Singapore. On 31 May - 4 June 2015, INS ''Ranvir'' with INS ''Shakti'' made a port call at Jakarta, Indonesia. She was commanded by Captain Jaswinder Singh. 2022 On 18 January 2022, there was an explosion in an internal compartment of the ship at the naval dockyard in Mumbai, resulting in three deaths and eleven injuries. Minor structural damage was also reported. The blast was attributed to Freon gas leak in the AC compartment. Krishan Kumar MCPO I, Surinder Kumar MCPO II and A.K. Singh MCPO II were killed in the incident. References External links ''Rajput'' ('' ...
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