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Topic: Duplex (telecommunications)

Related Topics

full duplex

Time division duplex

duplex operation

Duplex locomotive

half duplex operation

duplex transmission

Duplex Communication

duplex link

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	Duplex - Wikipedia, the free encyclopedia
		A duplex lamp is a type of oil lamp invented by Joseph Hinks.
		Duplex is a capability of a telecommunications mechanism.
		A "duplex reticle" in shooting terminology is a type of crosshairs reticle that is thicker on the edges, tapering to thin in the center of the scope's sight picture.
	en.wikipedia.org /wiki/Duplex (246 words)

	Duplex (telecommunications) - Wikipedia, the free encyclopedia
		A duplex service is where you send (talk) on one frequency but receive (listen) on a different frequency.
		Time division duplex has a strong advantage in the case where the asymmetry of the uplink and downlink data speed is variable.
		Frequency division duplex (FDD) is the application of frequency-division multiple access to separate outward and return signals.
	en.wikipedia.org /wiki/Duplex_(telecommunications) (630 words)

	Duplex: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-11-01)
		An oil lamp is a device used for lighting or for preserving a flame that is fueled by animal, vegetable oilvegetable or mineral oil....
		Duplex is a 2003 comedy film starring ben stiller and drew barrymore as a young couple whos found the perfect new york duplex.......
		Telecommunication is the extension of communication over a distance....
	www.absoluteastronomy.com /encyclopedia/d/du/duplex.htm (1102 words)

	[No title] (Site not responding. Last check: 2007-11-01)
		telecommunications network for providing unidirectional simplex radio transmissions over an air interface to the one or more fixed or mobile terminals, wherein the radio controller is adapted to associate unidirectional radio transmission capacity of the second network with duplex radio transmission capacity of the first network.
		The cellular radio telecommunications system 10 comprises a cellular simplex network 5 and it may be assumed that this network may conform, for instance, to a suitable TDD standard, e.
		System 10 also comprises a cellular duplex network 4 which may, for instance, be assumed to be in conformity with a suitable duplex radio telecommunications standard such as the FDD (Frequency Division Duplex) option of the UMTS standards except for the novel features of the present invention.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=01/58189.010809&ELEMENT_SET=DECL (9216 words)

	Telecommunications
		Although the term telecommunications may be new, the ideas have been with us a long time.
		Telecommunications used to be concerned with whether or not your phone rang when a customer called or did you even get a phone on your desk.
		As the telecommunications industry built new equipment it continued to follow old forms and procedures which were based on proven principles of communications.
	www.informationfactory.com /btsec1.htm (5328 words)

	Lease Specifications (Site not responding. Last check: 2007-11-01)
		One duplex electrical outlet on a dedicated* circuit and one duplex communication jack wired for voice and data shall be installed every six feet on each perimeter wall.
		Two (2) duplex electrical outlets on a dedicated circuit shall be located on the wall adjacent to the floor mounted frame for data.
		The Telecommunication Room shall be equipped with an exhaust system being controlled by a reverse acting thermostat set at 80 degrees F. The fans shall be selected for the design airflow or not less that 0.25 inches static pressure, whichever is greater.
	www.dpw.state.pa.us /Business/LeaseSpec/003670722.htm (11260 words)

	Duplex Print
		A duplexer is a device that combines two or more signals onto a common channel or medium to increase its transmission efficiency.
		Duplex also means double-sided printing -- It is a common term in the printer market as well as in industries that handle paper.
		There are a number of ways to duplex a document, the most popular way is "open to left", meaning that a document of 2 or more pages will read like a book.
	www.artistbooking.com /trips/53/duplex-print.html (734 words)

	wiringspec (Site not responding. Last check: 2007-11-01)
		The telecommunications cable compartment in any such pole shall be sized appropriately to afford a maximum 40% cross-sectional cable loading for the number of telecommunications cables required in each such pole, and such compartment shall not be shared with any non-telecommunications cables.
		Telecommunications jack, outlet, termination block and patch panel labeling schemes within any building subject to this Specification shall be in keeping with a logical, orderly, and sequential layout, based on the architectural floor plans for the building, and all such labeling schemes shall be determined and approved by the Network Services Division.
		All telecommunications activities performed under this section shall be provided with temporary heat and toilet/ sanitary facilities as deliverable and available to the balance of the project, as well as temporary lighting and power outlets as required, until such permanent utilities and fixtures become available for use.
	www.state.me.us /oit/standards/wiringspecs.htm (11108 words)

	[No title]
		The transmitter of a modem performing an analog loop in full duplex over standard two-wire lines is forced into the opposite mode of the receiver (i.e., originate mode or answer mode).
		*Duplex -- A measurement of the manner in which data is transmitted and received.
		In full duplex, the characters you see on your screen are actually sent by the other computer.
	www.textfiles.com /phreak/commdict (8436 words)

	telecom-glossary
		They were developed long ago in the age of wire-based telecommunications, and sensu stricto have long since been left behind by the age of satellites and computers; nevertheless, the underlying concepts retain immense illustrative value, especially for those investigating the principles of biological processing hierarchies.
		Duplex (1): In standard English, this simply means double or two-fold, as with poets who happen also to be critics, or lamps with two wicks (Oxford English Dictionary; earliest instance dated 1817).
		Duplex (2): In its technical sense, duplexing means sending two messages down a single wire (Oxford English Dictionary) by making it somehow think it is two wires.
	www.smithsrisca.demon.co.uk /telecom-glossary.html (1765 words)

	Serial Peripheral Interface Bus - Wikipedia, the free encyclopedia
		A serial peripheral bus is the most flexible choice when many different types of serial peripherals must be present, and there is a single controller.
		It operates in full duplex (sending and receiving at the same time), making it an excellent choice for some data transmission systems.
		In operation, there is a clock, a "data in", a "data out", and a "chip select" for each integrated circuit that is to be controlled.
	en.wikipedia.org /wiki/Serial_Peripheral_Interface_Bus (697 words)

	Telecommunications Room - The Siemon Company
		Equipment not related to telecommunications shall not be installed, pass through or enter the telecommunications room.
		Horizontal pathways shall terminate in the telecommunications room on the same floor as the area served.
		Access to the telecommunications grounding system as specified by ANSI-J-STD-607-A. HVAC requirements to maintain temperature the same as adjacent office area.
	www.siemon.com /ca/standards/15-29_ansi-tia-eia_telecom-room.asp (210 words)

	Tempest Telecommunications
		And their convient "duplex design" acts as a line spliter, letting you keep the existing foreign phone plugged into the wall even as your modem shares the outlet.
		You can determine the plug type of the country you are traveling to by looking at our Country Guide, Or For a complete list go to our what you need page.
		The adapter is duplex, which means you can plug in both your laptop while keeping the phone plugged into the wall.
	www.tempestcom.com /equipment/home.aspx?CategoryID=2 (1254 words)

	[No title] (Site not responding. Last check: 2007-11-01)
		A telecommunications system, as claimed in claim 3, or claim 4, when dependent on claim 2, characterised in that said cyclic prefix is dimensioned for a line of length X metres.
		A telecommunications system, as claimed in any of claims 2 to 5, characterised in that time-synchronisation is performed between all transmitters in ONUs and NTs incorporated in said system.
		A telecommunications system, as claimed in any previous claim, characterised in that both ADSL and VDSL are employed on a single wire.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=99/23764.990514&ELEMENT_SET=DECL (2323 words)

	Duplex - The best properties products, sites and information on the web today! (Site not responding. Last check: 2007-11-01)
		In telecommunication, duplex communication means that both ends of the communication can send and receive signals at the...
		Duplex, meaning double or twofold, may refer to: Duplex, a telecommunications term referring to two-way simultaneous transmission and reception.
		In telecommunication, duplex communication means that both ends of the communication can send and receive signal s at the same time.
	properties.betterwebdir.com /index.php?k=duplex (1161 words)

	Untitled (Site not responding. Last check: 2007-11-01)
		In comparison, the telecommunications culture is oriented around multiplexing and aggregating many low bandwidth connections on a single physical media.
		Hence, the goal for the telecommunications providers is to keep the channels as full of data as possible since this is where they get their revenue.
		Since the telecommunications WANs were developed primarily for voice traffic, dropping small amounts of voice data is not catastrophic; but dropping packet data is catastrophic.
	www.lanl.gov /lanp/hippi64/papers/gli.html (3000 words)

	Duplex Scanners (Site not responding. Last check: 2007-11-01)
		A duplex home is the US name fora particular type of housing ; see Semi-detached.
		A Duplex Lamp is a type of oillamp.
		Time division duplex has a strong advantage in the case where the asymmetry ofthe uplink and downlink data speed isvariable.
	www.witchware.com /File/8970-Duplex.Scanners.Html (368 words)

	PEACESAT: A Regional Telecommunications Alliance in Transition (Site not responding. Last check: 2007-11-01)
		Okamura, N.(1994) PEACESAT: a Regional Telecommunications Alliance in Transition, Proceedings of the Pacific Telecommunications Conference '94.
		The plan calls for PEACESAT to optimize the use of the GOES-3 capacity by increasing the number of analog carriers, establishing a digital carrier network, applying technologies that optimize the use of full duplex channels for concurrent voice and data communication, and to establish multiple video teleconferencing channels.
		Since both data and voice can be compressed as digital data, it is possible to use a single digital transmission carrier to carry multiple channels of digital voice and data traffic.
	obake.peacesat.hawaii.edu /40RESOURCES/Library/Papers/regional.htm (5286 words)

	Telecommunication Glossary
		CO (Central Office) - A facility of a telecommunications common carrier where calls are switched.
		Duplex - Simultaneous transmission in both directions, sometimes referred to as full duplex to differentiate it from half duplex, which is alternating transmission in each direction.
		Telecommunications - Process of converting sounds and data into electrical impulses that can be transmitted (See Telephony).
	members.tripod.com /~commworldnw/Glossary.html (3504 words)

	Chapter 6: Telecommunications and Networks (Site not responding. Last check: 2007-11-01)
		All communications fit this paradigm including cell phone calls, human to human speech, and letters.
		Transmission medium/ Telecommunications medium – Anything that carries an electronic signal and interfaces between sending devices and receiving devices.
		There are many types of mediums that make up the communications network.
	www.cis.cau.edu /482/Chapter06Notes.htm (549 words)

	ADSL (xDSL) (Site not responding. Last check: 2007-11-01)
		Telecommunications has always interested me, I guess that’s why I wanted to join the Air Force as a Satellite Communications technician.
		Analog telecommunications technology is nearing it’s theoretical limits.
		That means all the data coming down the pipe is yours and not a broadcast aggregate signal to all the WebTV and cable modem users in your area.
	www.pcwize.com /tech/telecommunications/adslxdsl.shtml (1453 words)

	KTLN - The Kentucky TeleLinking Network (Site not responding. Last check: 2007-11-01)
		The KTLN telecommunications partnership among institutions of higher education, schools, government agencies and private vendors shares the vision of equity of access reflected in the 1990 Kentucky Education Reform Act (KERA).
		The ultimate success of education reform rests on the ability of teachers, schools, parents and the larger community to communicate and share available resources and to provide educators with the tools they need to ensure that innovative and effective programs are used to improve the quality of primary and secondary education in Kentucky.
		In 1990 the state's universities introduced the first land-based full-duplex telecommunications facilities in the state.
	www.ket.org /ktln/grant.html (322 words)

	telecommunications video training course
		Over three hours of telecommunications video instruction contained on four tapes.
		Exciting scenes of operating equipment in the Telephone Pioneers Museum in San Francisco, show demonstrations on equipment that served well but are now a part of the technological past.
		This telecommunications training video will help anyone get an introduction to how the telephone works.
	www.informationfactory.com /ifc1.htm (165 words)

	No duplex option in the Print dialog box (InDesign CS-CS2) - Support Knowledgebase (Site not responding. Last check: 2007-11-01)
		Printer-specific features, such as duplex printing, are listed in the printer section of the Print dialog box in InDesign.
		Duplex printing is available only if the printer supports duplex printing and if the option is enabled in the printer driver and supported by the printer's PPD file.
		In Mac OS X version 10.2.x, some duplex printers must be configured for IP Printing for the duplex option to work.
	www.adobe.com /support/techdocs/326458.html (477 words)

	AT&T Knowledge Network Explorer: Videoconferencing for Learning: Glossary
		In telecommunications, the maximum frequency (spectrum) measured in Hertz or cycles per second, between the two limiting frequencies of a channel.
		Telecommunication in which a wide band of frequencies is available to transmit information.
		A domestic telecommunications network usually accessed by telephones, key telephone systems, private branch exchange trunks, and data arrangements.
	www.kn.pacbell.com /wired/vidconf/glossary.html (2641 words)

	TDC Ltd - SiRF Product Range
		A counterpart to ANSI, facilitating integration of telecommunications standards into all of Europe and co-ordinating telecommunications policies.
		An international body of member countries whose task is to define recommendations and standards relating to the international telecommunications industry.
		Derived from the words "modulate" and "demodulate," because a modem converts, or modulates, transmission signals from digital to analogue for transmission over analogue telecommunications lines, and then converts them back, or demodulates the signals, from analogue back to digital.
	www.tdc.co.uk /glossary.htm (8726 words)

	Telecommunications Glossary Telecom Dictionary - Carrier Access Billing H
		Half duplex is a transmission path capable of transmitting signals in both directions, but only in
		The header is control information appended to a segment of user data for control, synchronization, routing and sequencing of a transmitted data packet or frame.
		telecommunications outlet in work areas and the telecommunications closet.
	www.carrieraccessbilling.com /telecommunications-glossary-h.asp (246 words)

	TDD - TheBestLinks.com - Bolivia, Time division duplex, Telecommunications device for the deaf, Test driven ... (Site not responding. Last check: 2007-11-01)
		TDD - TheBestLinks.com - Bolivia, Time division duplex, Telecommunications device for the deaf, Test driven development,...
		TDD, Bolivia, Time division duplex, Telecommunications device for the deaf...
		This is a disambiguation page, i.e., a navigational aid which lists other pages that might otherwise share the same title.
	www.thebestlinks.com /TDD.html (106 words)

	ZDNet Australia: Blogs: Full Duplex
		I spent enough time at CeBIT last week to know the telecommunications industry was well represented...
		First cab off the rank was Telstra's Randy Lynch, one of the "amigos" the telco's new chief executive Sol Trujillo has imported to help him run the company.
		In recent years, Renai spent some time as a sysadmin at a doomed ISP and unsuccessfully applied for a job at One.Tel.
	www.zdnet.com.au /blogs/fullduplex (1107 words)

	ReliefWeb: Emergency Telecommunications (Site not responding. Last check: 2007-11-01)
		The channels may be occupied by other services, including local/national services involved in a disaster relief operation.
		It is the responsibility of the Telecommunications Coordination Officer (TCO) to select one of the alternative channels, in case the primary channel is already in use.
		The channels are named by letters in order to avoid confusion with the various channel-numbering systems used by the institutions concerned.
	www.reliefweb.int /telecoms/intro/VHF-UHF.doc.html (264 words)

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