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The No. 4 Electronic Switching System (4ESS) is a class 4 telephone electronic switching system that was the first digital electronic toll switch introduced by Western Electric for long-distance switching. It was introduced in Chicago in January 1976, to replace the 4A crossbar switch. [1] The last of the 145 systems in the AT&T network was ...
odfl.com. Footnotes / references. [2][3] Old Dominion Freight Line, Inc. (ODFL) is an American regional, inter-regional and national less than truckload shipping (LTL) company. In addition to its core LTL services, the company offers expedited, logistics and household moving services. [4][5] The company has five primary product groups: Domestic ...
Standard Carrier Alpha Code. The Standard Carrier Alpha Code (SCAC) is a privately controlled US code used to identify vessel operating common carriers (VOCC). It is typically two to four letters long. The National Motor Freight Traffic Association developed the SCAC code in the 1960s to help road transport companies computerize data and records.
The Number One Electronic Switching System (1ESS) was the first large-scale stored program control (SPC) telephone exchange or electronic switching system in the Bell System. It was manufactured by Western Electric and first placed into service in Succasunna, New Jersey, in May 1965. [1] The switching fabric was composed of a reed relay matrix ...
Electronic switching system. In telecommunications, an electronic switching system (ESS) is a telephone switch that uses solid-state electronics, such as digital electronics and computer ized common control, to interconnect telephone circuits for the purpose of establishing telephone calls. The generations of telephone switches before the ...
Environmental stress screening (ESS) refers to the process of exposing a newly manufactured or repaired product or component (typically electronic) to stresses such as thermal cycling and vibration in order to force latent defects to manifest themselves by permanent or catastrophic failure during the screening process. The surviving population ...
Executive information system. An executive information system (EIS), also known as an executive support system (ESS), [1] is a type of management support system that facilitates and supports senior executive information and decision-making needs. It provides easy access to internal and external information relevant to organizational goals.
There are currently 42 active-duty four-star officers in the uniformed services of the United States: 12 in the Army, three in the Marine Corps, eight in the Navy, 13 in the Air Force, three in the Space Force, two in the Coast Guard, and one in the Public Health Service Commissioned Corps. Of the eight federal uniformed services, the NOAA ...