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Topic: Telecommunication circuit

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	Privateline.com: SARTS History
		Telecommunication circuits are used to connect a communication device at one location to a compatible communication device at a remote location.
		Circuits may run over a wide geographical area and, therefore, test gear is usually made available at several different locations to help a test person localize the trouble.
		Prior to testing and servicing a telecommunications circuit from a remote location, the operating characteristics of the intelligent NCTE device in the telecommunication circuit must be known.
	www.privateline.com /circuits/SARTS_history.htm (917 words)

	TELECOMMUNICATION - Companies, Services, Equipment, Technology, Business
		Telecommunication is the technique of transmitting a message, from one point or place to another with the typical additional attribute of being bi-directional.
		Telecommunication can be point-to-point, point-to-multipoint or broadcasting, which is a particular form of point-to-multipoint that goes only from the transmitter to the receivers.
		The elements of a telecommunication system are a transmitter, a medium (line) and possibly a channel imposed upon the medium (see baseband and broadband as well as multiplexing), and a receiver.
	www.telecommunication.teleactivities.net (1027 words)

	Telecommunications
		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.
		When you look at the circuit drawings, it is easier to use symbols to represent the actual components than it is to try and draw a key, sounder, circuit or battery each time.
		Circuit (or Transmission Path) - This is the medium that conducts the message from the sender to the receiver.
	www.informationfactory.com /btsec1.htm (5328 words)

	Protective circuit and protective plug for telecommunication installations - Patent 5299088
		The protective circuit may be symmetrically doubled for protecting two current lines of a double conductor, wherein, upon operation of a heat-sensitive protection device, both surge arresters are disconnected from the earth line over a common change-over switch, and both short-circuit cross paths are closed.
		If the circuit is thereby closed over the local signalling transducer 18, then the tripping condition of the protective plug 99 can be indicated at the main distribution frame or in a field, and, if applicable, also at a connector block, by a lamp, LED, buzzer or by another signalling device.
		On the shown side of the circuit board 41, contact areas 62, 64 are provided for contacting the line-side terminals a, b, and which are followed by external circuit tracks 63, 65.
	www.freepatentsonline.com /5299088.html (5077 words)

	Multihop time assigned speech interpolation (TASI) system for telecommunication networks - Patent 5016247
		A telecommunication network as defined in claim 10 further characterized in that said means for transmitting said control data and logical call number includes control registers operatively coupled to receive said last mentioned data and call number, and a multiplexor interposed between said control registers and said output trunk.
		The present invention provides circuit modifications of the respective input and output time stage portions of the present day TST switch, thereby enabling the TASI scheme to be implemented without the need for rapid switch reconfigurations when new paths are required.
		The circuit is divided into four major sections: the main memory section 32, the write control section 34, the read control section 36 and the update control section 38.
	www.freepatentsonline.com /5016247.html (5299 words)

	[No title]
		Note 2 - In telephony, use of the term "circuit" is generally limited to a telecommunication circuit with associated terminating equipment directly connecting two switching devices or exchanges.
		Circuit sub-groups are provided for reasons of service, protection, equipment limitation, maintenance, etc. 0026 path, telecommunication path F: itineraire, itineraire de telecommunications S: trayecto, trayecto de telecomunicacion The continuous course taken by a transmission signal between two points.
		It is defined as the interval from the instant an incoming circuit seizure signal is recognizable until a proceed-to-send signal is sent backwards by the exchange.
	www.nmedia.net /docs/ccitt/1988/6_1/6_1_02.txt (10815 words)

	Chapter 5 Page 1 - Telecommunications Handbook for Transportation Professionals
		Telecommunication technology, its use and deployment, is an iterative process with new building upon the old.
		Telecommunication technology is a major element of the application of traffic signal and freeway management and Advanced Transportation Management Systems.
		Before discussing actual communication circuit types it is necessary to look at some of the basic elements of circuits, and then understand their use as part of a traffic signal or freeway management system.
	ops.fhwa.dot.gov /publications/telecomm_handbook/chapter5_01.htm (3329 words)

	Tele-Communication (Telecom) Terms Glossary and Dictionary - T
		Telecommunication is widespread and devices that assist the process such as the television, radio and telephone are common in many parts of the world.
		Telecommunication circuit refers to a physical telephone and other communication path that is used to transmit information from one location to another.
		Telecommunications and Information Infrastructure Assistance Program (TIIAP) is a grant program from the National Telecommunications and Information Administration of the United States Department of Commerce, established by Congress in 1994 to assist non-profit organizations and units of state and local government to undertake projects which contribute to the building of a national information infrastructure.
	www.networkdictionary.com /telecom/t.php (5184 words)

	ACW's Insulator Info - Book Reference Info - Interference Between Power and Telecom Lines
		The design of these circuits is, moreover, often affected, or even dictated, by the consideration of relatively high, and thus dangerous, voltages induced, by neighbouring power lines, during faults and sometimes even during normal operation.
		With important trunk circuits, it may be economical to have operators permanently at each end and to transmit all this additional information orally, but in general this information is transmitted more or less automatically, very often by means of superimposed d.c.
		Interference with such communication circuits may be due to both electromagnetic and electrostatic action, the former producing currents which are superposed on the true speech currents, thereby setting up distortion, and the latter raising the potential of the communication circuit as a whole.
	www.myinsulators.com /acw/bookref/interference/index.html (6038 words)

	Spectrum Auctions and Competition in Telecommunications by Gerhard Illing (Site not responding. Last check: 2007-11-04)
		Telecommunication Circuit Design by Patrick D. Van : A practical and tutorial survey of circuit design and telecommunications networks Telecommunication Circuit...
		The Irwin Handbook of Telecommunications by James : The telecommunications industry is changing at a lightning pace.
		Telecommunications Pricing: Theory and Practice by : The past decade has witnessed a surge of pricing innovations in the US telecommunications industry.
	www.tonsofspecials.com /sales.php?325822 (618 words)

	[No title] (Site not responding. Last check: 2007-11-04)
		Problems of telecommunications of the NMC Erevan and possibilities of their solution 2.1 Data collection from the observation network The NMC Erevan realizes data collection from 3 synoptic stations and 1 upper-air station for transmission to the WMO GTS, 31 synoptic stations for transmission to the CIS and for national needs.
		4.2 The status of the telecommunication centre of the NMC Baku and the Baku-Tbilisi telecommunication circuit At the telecommunication centre, fully manual technology of reception/transmission of hydrometeorological data is used.
		A Kishinev-Kiev telephone circuit with frequency division (2 TG channels, 1 TLF channel): a 50 baud telegraphic channel for alphanumerical data exchange (SYNOPs, TEMPs); a 100 baud telegraphic channel for aviation data exchange; a facsimile analog channel for reception of facsimile charts by means of a facsimile device.
	www.wmo.ch /web/www/TEM/ICM-GTS-MOSCOW/076TCO.doc (5305 words)

	Telecommunication circuit - Wikipedia, the free encyclopedia
		In telecommunications, a [tele]communication[s] circuit is any line or circuit on which information is transmitted.
		Originally, this was analog, and was often used by radio stations as a studio/transmitter link (STL) or remote pickup unit (RPU) for their audio, sometimes as a backup to other means.
		On digital lines, a virtual circuit can be created to serve either purpose, while sharing a single physical circuit.
	en.wikipedia.org /wiki/Telecommunication_circuit (276 words)

	Network Core
		In contrast with the TCP connection that we discussed in the previous section, this is a bona fide connection for which the switches on the path between the sender and receiver maintain connection state for that connection.
		Although packet switching and circuit switching are both very prevalent in today's telecommunication networks, the trend is certainly in the direction of packet switching.
		A virtual circuit (VC) consists of (1) a path (that is, a series of links and packet switches) between the source and destination hosts, (2) virtual circuit numbers, one number for each link along the path, and (3) entries in VC-number translation tables in each packet switch along the path.
	www.tele.sunyit.edu /network_core.htm (5015 words)

	TRUNK RESERVATION ANALYSIS OF TELUS' EDMONTON TELECOMMUNICATION NETWORK INFOR - Find Articles
		Following deregulation of the Canadian telecommunications industry in the early 1990's, telecommunication companies have experienced an increase in the demand on their networks.
		TELUS, the leading telecommunications service provider in Western Canada, anticipates that their existing circuit-switched telecommunication networks (networks where a telephone call occupies a phone line for the entire duration of the call) in Western Canada will be operating at capacity in the near future due to this increase in demand.
		The CRTC requires that all telecommunication service providers maintain a minimum grade of service of ROl: a service level where at most one out of every 100 telephone calls is blocked.
	www.findarticles.com /p/articles/mi_qa3661/is_200308/ai_n9289042 (968 words)

	Telecommunication - Course Descriptions
		For students in the Telecommunication M.A. program, this course may be taken as a substitute for ECE 450.
		The design and optimization of modern analog and digital telecommunications systems are presented in the context of the underlying engineering principles, sound economic analysis, and a framework from regulatory requirements.
		Modern telecommunications systems such as cellular radio, local multi-point distribution, satellite broadcast, and broadband data systems are considered typical applications.
	www.gwu.edu /~tcomcc/courses.htm (751 words)

	(WO/1986/005054) ARRANGEMENT FOR ACCESSING AND TESTING TELECOMMUNICATION CIRCUITS (Site not responding. Last check: 2007-11-04)
		The arrangement comprises an access unit (10) inserted in the circuit (1) to be tested, and test equipment (11) connected to the access unit (10) and through which the circuit to be tested can be selectively routed.
		In order to match the delay introduced by the shift register (24) in the test circuit path, a similar clocked delay (21) is included in the access unit in the route followed by the telecommunications circuit (1) when undiverted.
		Where the test equipment (1) is used to insert the test data into the diverted circuit, provision is made to avoid the introduction of bipolar-coding violations into bipolar signals carried by the circuit.
	www.wipo.int /pctdb/en/wo.jsp?WO=1986/05054 (437 words)

	Products exhibited
		Is a well-known name in the world of Telecommunications, since the late forties, as a French manufacturer of radiobroadcast, television and telecommunication towers.
		Was founded in 1968 to ensure the maintenance of the submarine cable between Beirut and Marseilles, and to do other telecommunication work entrusted to her by the Government.
		The dual mode (satellite and GSM) functions of Thuraya's handled will allow users to link to their local telecommunications service yet switch automatically to satellite mode when they are out of those networks.
	www.arabcom.com /arabcom/arabcom2000/toppage11.htm (2974 words)

	Serialtest MLT: Serial Data Analyzer & Protocol Sniffer - Overview (Site not responding. Last check: 2007-11-04)
		Serialtest MLT is a serial data analyzer for non-intrusively capturing and analyzing data on analog telephone circuits between two modems, at speeds up to 2400 bits per second.
		The custom MLT adapter is connected to the analog telecommunication circuit under test by breaking the RJ-11 connection at one end of the line.
		One end of the circuit under test is disconnected from the DCE terminal and connected to the Serialtest MLT RJ-11 input port.
	www.fte.com /mlt01.asp (561 words)

	Computer Networking: A Top-Down Approach Featuring the Internet Chapter 2 -- 1.4: The Network Core
		For TDM, the time domain is segmented into four circuits; each circuit is assigned the same dedicated slot in the revolving TDM frames.
		The transmission rate of each circuit is equal to the frame rate multiplied by the number of bits in a slot.
		If there are 10 or fewer simultaneously active users (which happens with probability 0.9996), the aggregate arrival rate of data is less than or equal to 1 Mbps (the output rate of the link).
	www.cs.huji.ac.il /course/2002/com1/book/chapter1/1_4.htm (5153 words)

	Synchronous compression and reconstruction system - Patent Review 5508816
		As a method for realizing coincidence between the video data and the audio data, a method for providing a reconstruction format generated by predicting the delay magnitude between the video data and the audio data in each individual reconstruction system for coupling the video and audio data for simultaneous reconstruction is employed.
		Alternatively, a method for providing an "output delay circuit" for the reconstruction system and adjusting the delay magnitude of a subject dynamic image, is employed.
		If so, the compressed video and audio codes are received from the telecommunication circuit by the receiver portion 25 and stored in the RAM 22 (step 62).
	www.wikipatents.com /5508816.html (8445 words)

	NETC Circuit
		The NETC Circuit is the newsletter of the Northwest Regional Educational Laboratory's Northwest Educational Technology Consortium.
		The NETC Circuit is published to highlight topical issues and to provide a forum for dialogue about the use of technology to improve teaching and learning.
		The NETC Circuit is mailed free to every NETC-region school building, Education Service District and State Education Agency, and Consortium partner, and upon request.
	www.netc.org /circuit (173 words)

	Rural Assistance Center :: Universal Service Rural Health Care Program
		Is there a limit to the number of telecommunication circuits or bandwidth that is eligible?
		Answer: Installation charges for telecommunications services are eligible for support if the charge for the same or similar services in the rural area is greater than in urban areas.
		One termination point of the telecommunication circuit must be located in a rural area, but it can be connected to an urban site.
	www.raconline.org /info_guides/telehealth/rhcdfaq.php (748 words)

	Slide
		Three circuit switches are interconnected by two links; each of these links has n circuits.
		Thus in order for host A to send messages to host B the network must first reserve one circuit on each of the two links.
		The time to move an entire packet out of the link's input buffer and onto the link is TRANSP = L/R. As an example, suppose that a packet consists 8000 bits and that the transmission rate of the links is 10 Kbps.
	www.tele.sunyit.edu /over2/cs_vs_ps.html (414 words)

	10 things you should know about deploying a UPS
		Typically, the telecommunication circuit plugs into a physical input on the UPS, which also presents an equivalent RJ-11 or RJ-45 outlet for continuing the circuit's connection to your local area network.
		The circuit may no longer function following such a strike, but replacing a UPS device is much less expensive than replacing multiple servers, PCs, and network switches.
		If network switches, routers, firewalls, and any required telecommunications modems or routers don't also receive power from a UPS during an outage, the data replication and communications links will fail (and data loss could result).
	articles.techrepublic.com.com /5100-1035_11-6085460.html (1686 words)

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