JPH0140535B2 - - Google Patents

Info

Publication number
JPH0140535B2
JPH0140535B2 JP58217402A JP21740283A JPH0140535B2 JP H0140535 B2 JPH0140535 B2 JP H0140535B2 JP 58217402 A JP58217402 A JP 58217402A JP 21740283 A JP21740283 A JP 21740283A JP H0140535 B2 JPH0140535 B2 JP H0140535B2
Authority
JP
Japan
Prior art keywords
line
protection
working
switching device
changeover switch
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
JP58217402A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60109932A (ja
Inventor
Satoshi Ikeuchi
Ikuo Taniguchi
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 EP84113522A priority patent/EP0142138B1/en
Priority to US06/669,836 priority patent/US4680776A/en
Priority to CA000467452A priority patent/CA1247206A/en
Priority to DE8484113522T priority patent/DE3474893D1/de
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
EP84113522A EP0142138B1 (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
CA000467452A CA1247206A (en) 1983-11-11 1984-11-09 Protection switching system for carrier transmission line
DE8484113522T DE3474893D1 (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 JPS60109932A (ja) 1985-06-15
JPH0140535B2 true JPH0140535B2 (enrdf_load_html_response) 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 (enrdf_load_html_response)

Family Cites Families (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
JPS60109932A (ja) 1985-06-15

Similar Documents

Publication Publication Date Title
JPS6341457B2 (enrdf_load_html_response)
JPH0140535B2 (enrdf_load_html_response)
JPH0454738A (ja) 受信端切り替え伝送方式
JP2761034B2 (ja) ディジタル通信回線の監視方式
JP2664925B2 (ja) 回線切替方式
JP2837038B2 (ja) パケット交換装置の回線対応部
JP3250778B2 (ja) 短瞬断切替回路および無瞬断切替回路
JPS62216430A (ja) 回線切り替え装置
JP2616473B2 (ja) 予備系切換システム
JPH1065696A (ja) 通信ネットワークおよび障害通知方法
JPH04337942A (ja) 迂回経路設定方法
JPH0342930A (ja) 回線切り替え装置
JP3056779B2 (ja) 光伝送方式
JPS61111036A (ja) 同期切替方式
JPS59219030A (ja) 副信号伝送方式
JP2507609B2 (ja) Ｉｓｄｎ加入者インタフェ―ス装置
JPH069355B2 (ja) ループ形ネットワーク
JP3057187B2 (ja) 異種衛星システム間接続方式
KR100630066B1 (ko) 전송 시스템에서 선로감시를 통한 메시지 전달 방법
JPS647709B2 (enrdf_load_html_response)
JPH0795704B2 (ja) 伝送路切替方式
JP3096143B2 (ja) リストアラー回路
JPS60126927A (ja) 自動利得制御方式
JPH1198075A (ja) 伝送路監視装置
JPH0785552B2 (ja) 伝送路切替方式