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Encyclopedia > Part 68

In telecommunication, part 68 is the section of Title 47 of the Code of Federal Regulations of the United States governing (a) the direct connection of telecommunications equipment and customer premises wiring with the public switched telephone network and certain private line services, such as (1) foreign exchange lines at the customer premises end, (2) the station end of off-premises stations associated with PBX and Centrex services, (3) trunk-to-station tie lines at the trunk end only, and (4) switched service network station lines, i.e., common control switching arrangements; and (b) the direct connection of (1) all PBX and similar systems to private line services for tie trunk type interfaces, (2) off-premises station lines, and (3) automatic identified outward dialing and message registration. Copy of the original phone of Alexander Graham Bell at the Musée des Arts et Métiers in Paris Telecommunication is the transmission of signals over a distance for the purpose of communication. ... An electrical connection between discrete points allows the flow of electrons, (current). ... It has been suggested that Office classification be merged into this article or section. ... Private Line are a hard rock/sleaze glam band from Helsinki, Finland, formed during the mid-1990s and continuing today. ... A telephone operator manually connecting calls with patch cables at a telephone switchboard. ... PBX redirects here. ... Trunk may be: Look up trunk in Wiktionary, the free dictionary. ... In telecommunication, a common control is an automatic switching arrangement in which the control equipment necessary for the establishment of connections is shared by being associated with a given call only during the period required to accomplish the control function for the given call. ... // Switching technologies are crucial to the new network design. ... Message in its most general meaning is an object of communication. ... In telecommunication, FCC registration program is the federal Communications Commission program and associated directives intended to assure that all connected terminal equipment and protective circuitry will not harm the public switched telephone network or certain private line services. ...


Note: Part 68 rules provide the technical and procedural standards under which direct electrical connection of customer-provided telephone equipment, systems, and protective apparatus may be made to the nationwide network without causing harm and without a requirement for protective circuit arrangements in the service-provider networks. An electrical connection between discrete points allows the flow of electrons, (current). ... This article or section includes a list of works cited or a list of external links, but its sources remain unclear because it lacks in-text citations. ... 11kV/400V-230V transformer in an older suburb of Wellington, New Zealand Electricity distribution is the penultimate stage in the delivery (before retail) of electricity to end users. ... An electrical network or electrical circuit is an interconnection of analog electrical elements such as resistors, inductors, capacitors, diodes, switches and transistors. ...

This article contains material from the Federal Standard 1037C, which, as a work of the United States Government, is in the public domain. Federal Standard 1037C, entitled Telecommunications: Glossary of Telecommunication Terms is a United States Federal Standard, issued by the General Services Administration pursuant to the Federal Property and Administrative Services Act of 1949, as amended. ... A work of the United States Government is, as defined by United States copyright law, a work prepared by an officer or employee of the United States Government as part of that persons official duties. ... The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ...


  Results from FactBites:
 
Piston pump - Patent 6520756 (2364 words)
For fastening the closure part 68 to the bush 26, the bush 26, on its end inserted into the closure part 68, has an outward-protruding radial collar 74, which forms an undercut 76 that is engaged from behind by one edge 78 of the recess 72 in the closure part 68.
A valve ball 86 as a valve closing body is inserted into the blind bore 80 of the closure part 68 and is urged against the valve seat 84 by a helical compression spring 88 acting as a valve closing spring.
The closure part 68 is made as a cold-headed part of aluminum; the radial groove that forms the outlet conduit 94 together with the throttle 100 and the relief conduit 102 are made in a single operation together with the closure part 68 by cold-heading.
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