JPS54100208A - Device for and method of preliminarily connecting digital signal transmission line - Google Patents

Device for and method of preliminarily connecting digital signal transmission line

Info

Publication number
JPS54100208A
JPS54100208A JP14732178A JP14732178A JPS54100208A JP S54100208 A JPS54100208 A JP S54100208A JP 14732178 A JP14732178 A JP 14732178A JP 14732178 A JP14732178 A JP 14732178A JP S54100208 A JPS54100208 A JP S54100208A
Authority
JP
Japan
Prior art keywords
digital signal
transmission line
signal transmission
connecting digital
preliminarily connecting
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
JP14732178A
Other languages
Japanese (ja)
Other versions
JPS584503B2 (en
Inventor
Posupishiru Reginharuto
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
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 filed Critical Siemens AG
Publication of JPS54100208A publication Critical patent/JPS54100208A/en
Publication of JPS584503B2 publication Critical patent/JPS584503B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
JP53147321A 1977-11-30 1978-11-30 Preliminary connection method for digital signal transmission line Expired JPS584503B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2753420A DE2753420C3 (en) 1977-11-30 1977-11-30 Device for equivalent switching of operating systems for digital signals

Publications (2)

Publication Number Publication Date
JPS54100208A true JPS54100208A (en) 1979-08-07
JPS584503B2 JPS584503B2 (en) 1983-01-26

Family

ID=6025003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53147321A Expired JPS584503B2 (en) 1977-11-30 1978-11-30 Preliminary connection method for digital signal transmission line

Country Status (6)

Country Link
JP (1) JPS584503B2 (en)
DE (1) DE2753420C3 (en)
FR (1) FR2410918A1 (en)
GB (1) GB2012526B (en)
IT (1) IT1100376B (en)
NL (1) NL183377C (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484403A (en) * 1977-12-19 1979-07-05 Hitachi Ltd Double system transmission line switching system
DE2939253A1 (en) * 1979-09-27 1981-04-30 Siemens AG, 1000 Berlin und 8000 München Multiple redundant data transmission system - uses test signal to control change-over of transmission lines if line failure occurs
DE3330683A1 (en) * 1983-08-25 1985-03-14 Siemens AG, 1000 Berlin und 8000 München TRANSMISSION SYSTEM FOR DIGITAL SIGNALS, HIGH STEP-SPEED WITH ADDITIONAL SIGNAL TRANSMISSION
US4680776A (en) * 1983-11-11 1987-07-14 Fujitsu Limited Protection switching system for carrier transmission line
DE3526020A1 (en) * 1985-07-20 1987-01-22 Philips Patentverwaltung DEVICES FOR GENERATING THE IDENTIFICATION OF UNSWITCHED TRANSMISSION ROUTES OF A DIGITAL TRANSMISSION SYSTEM
US4646286A (en) * 1985-07-30 1987-02-24 Northern Telecom Limited Communications system with protection switching and channel identities
DE3642141A1 (en) * 1986-12-10 1988-06-16 Philips Patentverwaltung METHOD FOR DECENTRALIZED POWER SUPPLY CIRCUIT
GB8912090D0 (en) * 1989-05-25 1989-07-12 Bicc Plc Data networks
JP3115676B2 (en) * 1992-02-12 2000-12-11 富士通株式会社 Apparatus and method for automatically switching signal system of subscriber digital transmission apparatus
GB2267415B (en) * 1992-05-19 1996-02-07 Sony Broadcast & Communication Signal switching
US5712603A (en) * 1996-08-09 1998-01-27 Kmw Usa, Inc. Multipole multiposition microwave switch with a common redundancy
US6631018B1 (en) 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
GB2345422A (en) * 1998-12-31 2000-07-05 Inventec Corp Method for data serial transfer

Also Published As

Publication number Publication date
FR2410918A1 (en) 1979-06-29
GB2012526A (en) 1979-07-25
DE2753420C3 (en) 1980-06-19
NL183377B (en) 1988-05-02
FR2410918B1 (en) 1984-01-20
JPS584503B2 (en) 1983-01-26
GB2012526B (en) 1982-03-10
IT1100376B (en) 1985-09-28
DE2753420B2 (en) 1979-10-04
IT7830132A0 (en) 1978-11-24
NL183377C (en) 1988-10-03
NL7811771A (en) 1979-06-01
DE2753420A1 (en) 1979-06-07

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