JPS60109932A - 回線切替方式 - Google Patents

回線切替方式

Info

Publication number
JPS60109932A
JPS60109932A JP21740283A JP21740283A JPS60109932A JP S60109932 A JPS60109932 A JP S60109932A JP 21740283 A JP21740283 A JP 21740283A JP 21740283 A JP21740283 A JP 21740283A JP S60109932 A JPS60109932 A JP S60109932A
Authority
JP
Japan
Prior art keywords
line
protection
switching device
working
signal
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
JP21740283A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0140535B2 (mo
Inventor
Satoshi Ikeuchi
聡 池内
Ikuo Taniguchi
谷口　郁夫
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP21740283A priority Critical patent/JPS60109932A/ja
Priority to DE8484113522T priority patent/DE3474893D1/de
Priority to EP84113522A priority patent/EP0142138B1/en
Priority to CA000467452A priority patent/CA1247206A/en
Priority to US06/669,836 priority patent/US4680776A/en
Priority to AU35311/84A priority patent/AU551278B2/en
Publication of JPS60109932A publication Critical patent/JPS60109932A/ja
Publication of JPH0140535B2 publication Critical patent/JPH0140535B2/ja
Priority to SG94/90A priority patent/SG9490G/en
Priority to HK708/90A priority patent/HK70890A/xx
Granted 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)
JP21740283A 1983-11-11 1983-11-18 回線切替方式 Granted JPS60109932A (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP21740283A JPS60109932A (ja) 1983-11-18 1983-11-18 回線切替方式
DE8484113522T DE3474893D1 (en) 1983-11-11 1984-11-09 Protection switching system for carrier transmission line
EP84113522A EP0142138B1 (en) 1983-11-11 1984-11-09 Protection switching system for carrier transmission line
CA000467452A CA1247206A (en) 1983-11-11 1984-11-09 Protection switching system for carrier transmission line
US06/669,836 US4680776A (en) 1983-11-11 1984-11-09 Protection switching system for carrier transmission line
AU35311/84A AU551278B2 (en) 1983-11-11 1984-11-12 Standby line switching system
SG94/90A SG9490G (en) 1983-11-11 1990-02-13 Protection switching system for carrier transmission line
HK708/90A HK70890A (en) 1983-11-11 1990-09-06 Protection switching system for carrier transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21740283A JPS60109932A (ja) 1983-11-18 1983-11-18 回線切替方式

Publications (2)

Publication Number Publication Date
JPS60109932A true JPS60109932A (ja) 1985-06-15
JPH0140535B2 JPH0140535B2 (mo) 1989-08-29

Family

ID=16703628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21740283A Granted JPS60109932A (ja) 1983-11-11 1983-11-18 回線切替方式

Country Status (1)

Country Link
JP (1) JPS60109932A (mo)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149132A (en) * 1980-04-21 1981-11-18 Nec Corp Transmission system utilizing stand-by transmission line effectively

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149132A (en) * 1980-04-21 1981-11-18 Nec Corp Transmission system utilizing stand-by transmission line effectively

Also Published As

Publication number Publication date
JPH0140535B2 (mo) 1989-08-29

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