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Topic: Duplex transmission


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In the News (Fri 9 Jan 09)

  
  Oki Optical Components - Glossary
A network topology in which all terminals are attached to a transmission medium serving as a bus.
The number of bits of information in a transmission system, expressed in bits per second (b/s or bps), and which may or may not be equal to the signal or baud rate.
Transmission in both directions, either one direction at a time (half-duplex) or both directions simultaneously (full-duplex).
www.okioptical.com /glossary.shtml   (3783 words)

  
 Half Duplex Transmission | NetworkDictionary
Half-duplex data transmission means that data can be transmitted in both directions on a signal carrier, but not at the same time.
For example, on a local area network using a technology that has half-duplex transmission, one workstation can send data on the line and then immediately receive data on the line from the same direction in which data was just transmitted.
On the other hand, full-duplex transmission implies that data are transmitted in both directions simultaneously.
www.networkdictionary.com /hardware/hdt.php   (280 words)

  
  Glossary
A transmission medium through which digital signals are sent without frequency shifting.
A transmission medium capable of supporting a wide range of frequencies, typically from audio up to video frequencies.
Transmission of data along cabling in either direction at the same time.
www.contact-directconnect.com /glossary.htm   (2428 words)

  
 Fiber Optic Modem
Full duplex secure voice communications at distances up to 15 km with fully transparent operation.
Reliable fiber optic data transmission and reception in a compact package.
Synchronous, asynchronous, isochronous, full duplex transmission with speeds from 1 bps to 64 kps with fully transparent operation.
www.versitron.com /sitemap2.html   (1924 words)

  
 What is Full-duplex Networking? Media Access Control Frames
Full duplex transmission is functionally much simpler than half-duplex transmission because it involves no media contention, no collisions, no need to schedule retransmissions, and no need for extension bits on the end of short frames.
The result is not only more time available for transmission, but also an effective doubling of the link bandwidth because each link can now support full-rate, simultaneous, two-way transmission.
Transmission can usually begin as soon as frames are ready to send.
bugclub.org /beginners/networking/fullduplex.html   (117 words)

  
 Short STORIES OF INTERESTING EXHIBITS
Allowing forty minutes for the making of the zinc plate, ten for transmission, and thirty for getting the reproduced picture ready for the press, the picture can be printed in the newspaper office in a little over an hour and a quarter after the plate is received at the transmitting machine.
Machines for duplex transmission, by which the same instrument both sends and receives a picture simultaneously, are being constructed, so that by two such machines four pictures can be sent at once over the wire.
The transmission is purely mechanical, and as the recording is effected electrolytically by the current, the speed of transmission is only- limited to the possibilities of the line.
www.panam1901.bfn.org /documents/worldsworkdoc.html   (12533 words)

  
 Axis Communications - Corporate
Bluetooth is an open standard for wireless transmission of voice and data between mobile devices (PCs, handheld computers, telephones and printers).
As IP is a connectionless protocol, which means that there is no established connection between the communication end-points, packets can be sent via different routes and do not need to arrive at the destination in the correct order.
It offers high data transmission speeds (up to 10Mbit/s), and as it uses a differential balanced line over twisted pair (like RS-422), it can span relatively large distances (4000 feet or 1200 meters).
www.axis.com /corporate/corp/glossary_video.htm   (5598 words)

  
 Lanode - Datasheets - A listing of all product pages within Lanode.com
It delivers full duplex transmission at fractional 2Mbps, clear channel 2Mbps or n x 64Kbps.
Transmission (E1 / T1) Analysers - The BTM10 series of E1 / T1 analysers are compact, notebook sized PCM measuring instruments designed for field use in analysis and maintenance of E1 (2.048Mbps) or T1 (1.544Mbps) lines.
Analogue Line Testers - The ALT Series of Hand-held Transmission Testers combines the functions of a transmission line measurement (TIMS) instrument, a digital multimeter measurement (DMM) instrument and the function of a telephone handset with dial / talk / listen capabilities.
www.lanode.com /datash.htm   (2192 words)

  
 SCHEDULING METHOD AND APPARATUS FOR HALF-DUPLEX TRANSMISSION (WO04004244A1)
Then, the transmission timing of the data portions within the transmission frame is set in such a manner that transmission and reception intervals of each connection do not overlap.
On fixe ensuite, le calage de transmission des portions de données à l'intérieur de la trame de transmission de telle sorte que les intervalles d'émission et de réception de chaque connexion ne se chevauchent pas.
Protocols define the format and order of messages exchanged between two or more 15 communicating entities, as well as the actions taken on the transmission and/or receipt of a message or other event.
www.delphion.com /details?pn=WO04004244A1   (402 words)

  
 Yenra Glossary E
echo check - A check to determine the integrity of transmission of data, whereby the received data are returned to the source for comparison with the originally transmitted data.
electrical length - Of a transmission medium, its length expressed as a multiple or submultiple of the wavelength of a periodic electromagnetic or electrical signal propagating within the medium.
end-of-transmission-block character - A transmission control character used to indicate the end of a transmission block of data when data are divided into such blocks for transmission purposes.
www.yenra.com /glossary/e.html   (7917 words)

  
 Duplex Transmission
Transmission in both directions, either one direction at a time (half duplex) or both directions simultaneously (full duplex).
Duplex (Two Position) Connectors (FDDI) Duplex Operation Point to Point Transmission Broadcast Transmission Half Duplex Full Duplex Duplex Cord Duplex Cable Duplex
To learn about Duplex Transmission for your custom application, you can submit us a quick quote, or call Timbercon today, 971-925-0290, to get in contact with our experienced application engineer.
www.timbercon.com /Duplex-Transmission.html   (185 words)

  
 HALF DUPLEX définition HALF DUPLEX
Définition HALF DUPLEX, définition HALF DUPLEX en informatique.
HALF DUPLEX : Se dit d?une communication bidirectionnelle lorsqu?elle ne peut émettre et recevoir des données en même temps, mais pendant des plages de temps séparées.
>> Définition : duplex - informatique Gers, vente, maintenance...
dictionnaire.phpmyvisites.net /definition-HALF-DUPLEX-4573.htm   (319 words)

  
 Ricoh 2050L Ricoh 3310L Ricoh 4410L Ricoh 5510L - Ricoh Fax Machines Facsimile Devices
A fast 3-second-per-page transmission speed, 33.6 Kbps modem, 15 ppm print speed and a 240 page expandable memory are all at your disposal.
The FAX4410L provides unique innovation with its industry first Duplex Transmission and Reception feature that cuts costs and streamlines efficiencies.
Features: 33.6 Kbps Modem, 2 Second Transmission Speed, 1.3/4 spp (fl/color) Scan Speed, 15ppm, Standard 7MB Memory, 90 One-Touch Dials, 200 Speed Dials, 70 Sheet Automatic Document Feeder, 750 Sheet paper capacity and 8.6x23.7 Max/Min Copy size.
copynfax.com /fax-ricoh.htm   (796 words)

  
 Toggit Certification Home for MCSE CCNA A+ study guides and test prep   (Site not responding. Last check: )
The name is a pun and does not represent an ITU standard; the next revision of the V.32 standard after V.32 bis will be V.32 ter, and V.32 terbo has been replaced by the ITU standard V.34.
A CCITT (ITU) standard that defines a network transmission model used to evaluate modem performance over twowire voice-grade circuits.
A small satellite terminal used for digital communications, from 1 to 3 meters (3.3 to 10 feet) in diameter, capable of managing digital transmissions of up to 56Kbps.
www.toggit.com /Library/pedia/techno.asp?Term=v&Techno=Letter   (3658 words)

  
 Désynchronisation Ponctuelle, Diffusion En Flux, Diffusion Multisupport, Disque Numérique Polyvalent, Distribution, ...
Liaison ou transmission qui fonctionne entre deux points.
Se dit d'une liaison ou d'une transmission qui fonctionne entre deux points.
Note : Exemples : une communication en mode duplex ; une communication en duplex.
www.patrimoine-de-france.org /mots/mots-neo-0-61.html   (203 words)

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