JPH0473647B2 - - Google Patents

Info

Publication number
JPH0473647B2
JPH0473647B2 JP9697684A JP9697684A JPH0473647B2 JP H0473647 B2 JPH0473647 B2 JP H0473647B2 JP 9697684 A JP9697684 A JP 9697684A JP 9697684 A JP9697684 A JP 9697684A JP H0473647 B2 JPH0473647 B2 JP H0473647B2
Authority
JP
Japan
Prior art keywords
line
protection
lines
working
communication
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.)
Expired
Application number
JP9697684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60240225A (ja
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 filed Critical
Priority to JP9697684A priority Critical patent/JPS60240225A/ja
Publication of JPS60240225A publication Critical patent/JPS60240225A/ja
Publication of JPH0473647B2 publication Critical patent/JPH0473647B2/ja
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)
JP9697684A 1984-05-15 1984-05-15 回線切り換え方式 Granted JPS60240225A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9697684A JPS60240225A (ja) 1984-05-15 1984-05-15 回線切り換え方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9697684A JPS60240225A (ja) 1984-05-15 1984-05-15 回線切り換え方式

Publications (2)

Publication Number Publication Date
JPS60240225A JPS60240225A (ja) 1985-11-29
JPH0473647B2 true JPH0473647B2 (en]) 1992-11-24

Family

ID=14179243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9697684A Granted JPS60240225A (ja) 1984-05-15 1984-05-15 回線切り換え方式

Country Status (1)

Country Link
JP (1) JPS60240225A (en])

Also Published As

Publication number Publication date
JPS60240225A (ja) 1985-11-29

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