JPH01293051A - 通信速度調整システム - Google Patents

通信速度調整システム

Info

Publication number
JPH01293051A
JPH01293051A JP1055257A JP5525789A JPH01293051A JP H01293051 A JPH01293051 A JP H01293051A JP 1055257 A JP1055257 A JP 1055257A JP 5525789 A JP5525789 A JP 5525789A JP H01293051 A JPH01293051 A JP H01293051A
Authority
JP
Japan
Prior art keywords
data
bit
bus
lead
selector
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.)
Granted
Application number
JP1055257A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0548014B2 (https=
Inventor
Jacques Fieschi
ジヤツク・フイーシ
Michel Glisse
ミシエル・グリス
Pennec Jean-Francois Le
ジヤン・フランソワ・ル・ペネツク
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPH01293051A publication Critical patent/JPH01293051A/ja
Publication of JPH0548014B2 publication Critical patent/JPH0548014B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/05—Electric or magnetic storage of signals before transmitting or retransmitting for changing the transmission rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
JP1055257A 1988-04-29 1989-03-09 通信速度調整システム Granted JPH01293051A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP88480013A EP0343305B1 (en) 1988-04-29 1988-04-29 Bit rate adaptation system for digital transmission systems
EP88480013.7 1988-04-29

Publications (2)

Publication Number Publication Date
JPH01293051A true JPH01293051A (ja) 1989-11-27
JPH0548014B2 JPH0548014B2 (https=) 1993-07-20

Family

ID=8200494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1055257A Granted JPH01293051A (ja) 1988-04-29 1989-03-09 通信速度調整システム

Country Status (4)

Country Link
US (1) US4953180A (https=)
EP (1) EP0343305B1 (https=)
JP (1) JPH01293051A (https=)
DE (1) DE3854231D1 (https=)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02150154A (ja) * 1988-12-01 1990-06-08 Canon Inc ボタン電話システム
FR2650717B1 (fr) * 1989-08-02 1991-10-04 Alcatel Business Systems Transmetteur numerique synchrone
WO1991010331A1 (en) * 1990-01-02 1991-07-11 Motorola, Inc. Time division multiplexed selective call signalling system
JPH0828756B2 (ja) * 1990-04-17 1996-03-21 ヤマハ株式会社 データ転送方法
GB2243973A (en) * 1990-05-12 1991-11-13 Motorola Inc Data network interface
US5157656A (en) * 1990-07-31 1992-10-20 Northern Telecom Limited Nyblet time switch
JP2962787B2 (ja) * 1990-08-10 1999-10-12 富士通株式会社 通信制御方式
US5251313A (en) * 1990-11-19 1993-10-05 Ag Communication Systems Corporation Method of bit rate adaption using the ECMA 102 protocol
US5226121A (en) * 1990-11-19 1993-07-06 Ag Communication Systems Corporation Method of bit rate de-adaption using the ECMA 102 protocol
IL100871A (en) * 1991-02-22 1994-11-28 Motorola Inc Apparatus and method for clock rate matching in independent networks
US5199046A (en) * 1991-09-09 1993-03-30 Codex Corporation First and second digital rate converter synchronization device and method
US5475706A (en) * 1992-03-16 1995-12-12 Nec Corporation Bulk data transmission system
JP2888022B2 (ja) * 1992-04-02 1999-05-10 三菱電機株式会社 通信制御装置
US5689534A (en) * 1992-05-12 1997-11-18 Apple Computer, Inc. Audio functional unit and system and method for configuring the same
US5398249A (en) * 1992-05-14 1995-03-14 Industrial Technology Research Institute System for providing simultaneous multiple circuit-switched type communications on an ISDN basic rate interface
US5461618A (en) * 1992-06-30 1995-10-24 Industrial Technology Research Institute Adapter for transmission lines using HDLC frames
US5287352A (en) * 1992-07-17 1994-02-15 Rolm Company Method and apparatus to reduce register overhead in a serial digital interface
US5448560A (en) * 1992-12-23 1995-09-05 Itri V.110 communication protocol fractional rate adapter for an ISDN network
CA2125511A1 (en) * 1993-06-14 1994-12-15 Gordon Bremer Autorate method for simultaneous transmission of voice and data
US5517671A (en) * 1993-07-30 1996-05-14 Dell Usa, L.P. System for designating a plurality of I/O devices to a plurality of I/O channels and connecting and buffering the plurality of I/O channels to a single system bus
FR2709896B1 (fr) * 1993-09-08 1996-07-05 Alcatel Mobile Comm France Trame de transmission de données à ambiguïté réduite, émetteur et récepteur adaptés à une telle trame.
US5590374A (en) * 1993-09-10 1996-12-31 Fujitsu Limited Method and apparatus for employing a dummy read command to automatically assign a unique memory address to an interface card
US5442625A (en) * 1994-05-13 1995-08-15 At&T Ipm Corp Code division multiple access system providing variable data rate access to a user
JP3161911B2 (ja) * 1994-08-03 2001-04-25 富士通株式会社 回線切替方法及び回線切替装置
US5742602A (en) * 1995-07-12 1998-04-21 Compaq Computer Corporation Adaptive repeater system
US5991278A (en) * 1996-08-13 1999-11-23 Telogy Networks, Inc. Asymmetric modem communications system and method
US5914959A (en) * 1996-10-31 1999-06-22 Glenayre Electronics, Inc. Digital communications system having an automatically selectable transmission rate
US5953372A (en) * 1996-12-13 1999-09-14 Standard Microsystems Corporation Loopback transmission testing in a communications device
JP3283200B2 (ja) * 1996-12-19 2002-05-20 ケイディーディーアイ株式会社 符号化音声データの符号化レート変換方法および装置
KR19990010391A (ko) * 1997-07-16 1999-02-18 윤종용 휴대폰과 외부장치간의 데이터 전송률을 중재하는 장치 및 방법
US6125106A (en) * 1997-08-22 2000-09-26 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for capacity driven intra-cell handover in a cellular telephone network
DE19749770A1 (de) * 1997-11-11 1999-05-12 Cit Alcatel Verfahren zum Einrichten einer digitalen Nachrichtenverbindung, Teilnehmerendgerät und Vermittlungsstelle
US6014708A (en) * 1998-02-19 2000-01-11 Alcatel Adaptor and method for mapping a fast ethernet payload input signal to a synchronous payload envelope, as well as a clock selector for use therewith
DE19925247A1 (de) * 1999-03-31 2000-10-19 Siemens Ag Verfahren zum Übermitteln von unterschiedliche Datenübertragungsraten aufweisenden Datenströmen zwischen einer ersten und zweiten Datenübertragungseinheit
KR100424850B1 (ko) * 2001-08-08 2004-03-27 엘지전자 주식회사 데이터 전송 속도 변환 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460993A (en) * 1981-01-12 1984-07-17 General Datacomm Industries Inc. Automatic framing in time division multiplexer
US4691342A (en) * 1983-09-09 1987-09-01 Cts Corporation Multi-speed, full duplex modem
US4736362A (en) * 1985-07-26 1988-04-05 Advanced Micro Devices, Inc. Programmable data-routing multiplexer
US4823312A (en) * 1986-10-30 1989-04-18 National Semiconductor Corp. Asynchronous communications element

Also Published As

Publication number Publication date
EP0343305A1 (en) 1989-11-29
JPH0548014B2 (https=) 1993-07-20
US4953180A (en) 1990-08-28
EP0343305B1 (en) 1995-07-26
DE3854231D1 (de) 1995-08-31

Similar Documents

Publication Publication Date Title
JPH01293051A (ja) 通信速度調整システム
USRE39216E1 (en) Asynchronous processor access to a switch table in a network with isochronous capability
US4589107A (en) Simultaneous voice and data communication and data base access in a switching system using a combined voice conference and data base processing module
US4598397A (en) Microtelephone controller
EP0232437B1 (en) Multiplex interface for a communication controller
US5406559A (en) Isochronous link protocol
US5687356A (en) Hub and interface for isochronous token ring
JP2804975B2 (ja) データの伝送を同期化する方法およびシンクロナイザ
US5506846A (en) Local loopback of isochronous data in a switching mechanism
US5867496A (en) Interface device
EP0161300B1 (en) Multimode data communication system
US4530093A (en) PCM Telecommunications system for voice and data
US5524111A (en) Method and apparatus for transmitting an unique high rate digital data flow over N multiple different independent digital communication channels between two different primary terminal adapters
US4578789A (en) Simultaneous voice and data communication and data base access in a switching system using a tone bus or broadcast mode
JPS60501681A (ja) 時分割交換システム用制御情報通信装置
US5996018A (en) Method and apparatus to reduce jitter and end-to-end delay for multimedia data signalling
JPH05235934A (ja) ディジタル通信網へデータ通信装置を接続するための装置
US4685104A (en) Distributed switching system
US4584680A (en) Use of a tone bus to provide polling and data distribution apparatus for communication system terminal groups
US5446731A (en) Signaling channel data transmitting/receiving circuit of a primary multiplexer
US4488287A (en) Combining and splitting of voice and data from multiple terminal sources and electronic PABX for same
USRE34896E (en) Multiplex interface for a communication controller
US6011801A (en) Rate control of channels on a time division multiplex bus
US6490294B1 (en) Apparatus and method for interconnecting isochronous systems over packet-switched networks
KR100238606B1 (ko) 회로 스위칭 원격통신망의 노드에 이용하는 디지털 스위치