JPH0444857B2 - - Google Patents

Info

Publication number
JPH0444857B2
JPH0444857B2 JP59053858A JP5385884A JPH0444857B2 JP H0444857 B2 JPH0444857 B2 JP H0444857B2 JP 59053858 A JP59053858 A JP 59053858A JP 5385884 A JP5385884 A JP 5385884A JP H0444857 B2 JPH0444857 B2 JP H0444857B2
Authority
JP
Japan
Prior art keywords
line
switching
protection
priority
protection line
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 - Lifetime
Application number
JP59053858A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60197041A (ja
Inventor
Norio Tajima
Kyoshi Myauchi
Makoto Iwamoto
Hiroyuki Hirose
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.)
NEC Corp
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Nippon Electric Co 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 Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP5385884A priority Critical patent/JPS60197041A/ja
Publication of JPS60197041A publication Critical patent/JPS60197041A/ja
Publication of JPH0444857B2 publication Critical patent/JPH0444857B2/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)
  • Detection And Prevention Of Errors In Transmission (AREA)
JP5385884A 1984-03-21 1984-03-21 回線切替制御方式 Granted JPS60197041A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5385884A JPS60197041A (ja) 1984-03-21 1984-03-21 回線切替制御方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5385884A JPS60197041A (ja) 1984-03-21 1984-03-21 回線切替制御方式

Publications (2)

Publication Number Publication Date
JPS60197041A JPS60197041A (ja) 1985-10-05
JPH0444857B2 true JPH0444857B2 (2) 1992-07-23

Family

ID=12954471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5385884A Granted JPS60197041A (ja) 1984-03-21 1984-03-21 回線切替制御方式

Country Status (1)

Country Link
JP (1) JPS60197041A (2)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960015347B1 (ko) * 1990-09-10 1996-11-09 후지쓰 가부시끼가이샤 반도체장치
CN100463373C (zh) * 2003-01-17 2009-02-18 中兴通讯股份有限公司 一种集中控制并分层实施的切换控制方法及装置
JP2006262275A (ja) * 2005-03-18 2006-09-28 Nec Corp 送受信機、光伝送装置、ポート別切替方法、プログラム、記録媒体

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5186309A (2) * 1975-01-27 1976-07-28 Tokyo Shibaura Electric Co
JPS55154836A (en) * 1979-05-22 1980-12-02 Nec Corp Automatic switching control system for radio communication circuit

Also Published As

Publication number Publication date
JPS60197041A (ja) 1985-10-05

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term