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AU544725B2 - Data transmission control - Google Patents
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AU544725B2 - Data transmission control - Google Patents

Data transmission control

Info

Publication number
AU544725B2
AU544725B2 AU80269/82A AU8026982A AU544725B2 AU 544725 B2 AU544725 B2 AU 544725B2 AU 80269/82 A AU80269/82 A AU 80269/82A AU 8026982 A AU8026982 A AU 8026982A AU 544725 B2 AU544725 B2 AU 544725B2
Authority
AU
Australia
Prior art keywords
data
data terminal
terminal device
signalling
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU80269/82A
Other versions
AU8026982A (en
Inventor
Anton Kammerl
Ulrich Franz Thomanek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of AU8026982A publication Critical patent/AU8026982A/en
Application granted granted Critical
Publication of AU544725B2 publication Critical patent/AU544725B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Radio Relay Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

1. A method of transmitting data signals (D) and items of signalling information (Sa, Sb) between data terminal devices (DTE) which are connected to one another via exchanges (VSt) of a telecommunications network in which, for the transmission of the data signals (D) and the items of signalling information (Sa, Sb), there are provided data transmission paths (NK) and signalling paths (SK) which are separate from one another, and in which the data transmission paths (NK) can be additionally used to transmit signals (Sa', A, Sb', B) which differ from data signals (D), where the establishment and clearance of connections between data terminal devices (DTE) takes place in that the exchange (VSt) in question is supplied with special items of signalling information (Sa, Sb) via the signalling path (SK), characterised in that during a part of the interval in which a data terminal device (DTE) emits an item of signalling information (Sa) which serves to establish a connection to another data terminal device, via the signalling path (SK), a control signal (Sa') emitted from the aforementioned first data terminal device prior to the data signal emission and serving to actuate the other data terminal device designated for data signal reception, and an acknowledgement signal (A) indicating the actuation of the other data terminal device and transmitted from this other data terminal device to the first data terminal device in order to clear the transmission of data signals (D), are transmitted via the data transmission path (NK) which is to be used for data signal transmission between the two data terminal devices whick are to be connected or are connected to one another, without additional analysis or evaluation in the relevant exchange (VSt).
AU80269/82A 1981-02-09 1982-02-08 Data transmission control Ceased AU544725B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE31045146 1981-02-09
DE19813104514 DE3104514A1 (en) 1981-02-09 1981-02-09 METHOD AND CIRCUIT ARRANGEMENT FOR TRANSMITTING DATA SIGNALS AND SIGNALING INFORMATION BETWEEN DATA TERMINALS CONNECTED TO SWITCHING AGENCIES OF A TELECOMMUNICATION NETWORK

Publications (2)

Publication Number Publication Date
AU8026982A AU8026982A (en) 1982-08-19
AU544725B2 true AU544725B2 (en) 1985-06-13

Family

ID=6124391

Family Applications (1)

Application Number Title Priority Date Filing Date
AU80269/82A Ceased AU544725B2 (en) 1981-02-09 1982-02-08 Data transmission control

Country Status (7)

Country Link
EP (1) EP0058241B1 (en)
AT (1) ATE13790T1 (en)
AU (1) AU544725B2 (en)
BR (1) BR8200649A (en)
DE (1) DE3104514A1 (en)
NO (1) NO157999C (en)
ZA (1) ZA82780B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668645A (en) * 1970-05-25 1972-06-06 Gen Datacomm Ind Inc Programable asynchronous data buffer having means to transmit error protected channel control signals
US4069392A (en) * 1976-11-01 1978-01-17 Incorporated Bell Telephone Laboratories Dual speed full duplex data transmission
DE2930420C2 (en) * 1979-07-26 1988-12-01 Siemens AG, 1000 Berlin und 8000 München Digital telecommunications system
EP0024617A1 (en) * 1979-08-24 1981-03-11 Siemens Aktiengesellschaft Digital telecommunication system

Also Published As

Publication number Publication date
EP0058241A1 (en) 1982-08-25
ZA82780B (en) 1983-01-26
DE3104514A1 (en) 1982-08-19
NO157999C (en) 1988-06-29
NO157999B (en) 1988-03-14
BR8200649A (en) 1982-12-14
EP0058241B1 (en) 1985-06-12
NO820365L (en) 1982-08-10
ATE13790T1 (en) 1985-06-15
DE3104514C2 (en) 1990-03-08
AU8026982A (en) 1982-08-19

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