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Communications security is the discipline of preventing unauthorized interceptors from accessing telecommunications in an intelligible form, while still delivering content to the intended recipients.
In telecommunications, a cord circuit is a switchboard circuit in which a plug-terminated cord is used to establish connections manually between user lines or between trunks and user lines. A number of cord circuits are furnished as part of the switchboard position equipment. The cords may be referred to as front cord and rear cord or trunk cord and station cord. In modern cordless switchboards, the cord-circuit function is switch operated and may be programmable.
Electro–optics is a branch of electrical engineering, electronic engineering, materials science, and material physics involving components, electronic devices such as lasers, laser diodes, LEDs, waveguides, etc. which operate by the propagation and interaction of light with various tailored materials. It is closely related to photonics, the branch of optics that involves the application of the generation of photons. It is not only concerned with the "electro–optic effect", since it deals with the interaction between the electromagnetic and the electrical states of materials.
In multichannel telephone systems, the loading characteristic is a plot, for the busy hour, of the equivalent mean power and the peak power as a function of the number of voice channels.
In telecommunications, the term long-haul communications has the following meanings:
In telecommunications, a one-way trunk is a trunk between two switching centers, over which traffic may be originated from one preassigned location only.
An optical axis is an imaginary line that passes through the geometrical center of an optical system such as a camera lens, microscope or telescopic sight. Lens elements often have rotational symmetry about the axis.
A packet-switching node is a node in a packet-switching network that contains data switches and equipment for controlling, formatting, transmitting, routing, and receiving data packets.
Title 47 CFR Part 68 is a section of the Code of Federal Regulations of the United States that regulates the direct electrical connection of telecommunications equipment and customer premises wiring with the public switched telephone network, certain private line services, and connection of private branch exchange (PBX) equipment to certain telecommunication interfaces.
Separate-channel signaling is a form of signaling in which the whole or a part of one or more channels in a multichannel system is used to provide for supervisory and control signals for the message traffic channels.
In telecommunications, a toll switching trunk or toll connecting trunk is a trunk connecting an end office to a toll center as the first stage of concentration for intertoll or long-distance traffic.
In a telecommunications network, a link is a communication channel that connects two or more devices for the purpose of data transmission. The link may be a dedicated physical link or a virtual circuit that uses one or more physical links or shares a physical link with other telecommunications links.
Winking is a telephony signalling technique used both in connection with DC signalling on a trunk, and with indicator lamps on a key telephone.
Multichannel or multi-channel may refer to:
In telecommunications, trunking is a technology for providing network access to multiple clients simultaneously by sharing a set of circuits, carriers, channels, or frequencies, instead of providing individual circuits or channels for each client. This is reminiscent to the structure of a tree with one trunk and many branches. Trunking in telecommunication originated in telegraphy, and later in telephone systems where a trunk line is a communications channel between telephone exchanges.
The chief of staff of the Air Force is the service chief of the United States Air Force. They are the principal military advisor to the secretary of the Air Force on matter pertaining to the Air Force. They are a member of the Joint Chiefs of Staff, and thereby a military adviser to the National Security Council, the secretary of defense, and the president. The chief of staff is typically the highest-ranking officer on active duty in the Air Force, unless the chairman and/or the vice chairman of the Joint Chiefs of Staff are Air Force officers.
Part of the United States Department of Defense acquisition process, the Joint Requirements Oversight Council (JROC) reviews programs designated as JROC interest and supports the acquisition review process in accordance with law. The JROC accomplishes this by reviewing and validating all Joint Capabilities Integration and Development System documents for Acquisition Category I and IA programs, and other programs designated as high-interest. For Acquisition Category ID and IAM programs, the JROC makes recommendations to the Defense Acquisition Board or Information Technology Acquisition Board, based on such reviews. The JROC is chaired by the Vice Chairman of the Joint Chiefs of Staff, who also serves as the co-chair of the Defense Acquisition Board. The other JROC members are the Vice Chiefs of each military service: Vice Chief of Staff of the Army, Assistant Commandant of the Marine Corps, Vice Chief of Naval Operations, Vice Chief of Staff of the Air Force, Vice Chief of Space Operations, and Vice Chief of the National Guard Bureau.
General Donn Albert Starry was a United States Army four-star general who served as commanding general of United States Army Training and Doctrine Command from 1977 to 1981, and as commander in chief of United States Readiness Command from 1981 to 1983.
The Military Health System (MHS) is the internal health care system operated within the United States Department of Defense that provides health care to active duty, Reserve component and retired U.S. Military personnel and their dependents.
Cheyenne Mountain Space Force Station (CMSFS) is located in Cheyenne Mountain on the Front Range of the Rocky Mountains in unincorporated El Paso County, Colorado, next to Colorado Springs, The Cheyenne Mountain Complex, an underground facility within Cheyenne Mountain SFS, was first built for the North American Aerospace Defense Command (NORAD) Combat Operations Center, though NORAD moved day-to-day operations to its headquarters on Peterson AFB in 2006. However, day-to-day operations were moved back in 2011 after a major overhaul and renovation.
References
This article incorporates public domain material from Dictionary of Military and Associated Terms . United States Department of Defense.- This article incorporates public domain material from Federal Standard 1037C. General Services Administration. Archived from the original on 22 January 2022.
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