JPS60106233A - 伝送路切替装置 - Google Patents

伝送路切替装置

Info

Publication number
JPS60106233A
JPS60106233A JP21455583A JP21455583A JPS60106233A JP S60106233 A JPS60106233 A JP S60106233A JP 21455583 A JP21455583 A JP 21455583A JP 21455583 A JP21455583 A JP 21455583A JP S60106233 A JPS60106233 A JP S60106233A
Authority
JP
Japan
Prior art keywords
transmission line
switch
signal
switching
station
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
JP21455583A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0231535B2 (enrdf_load_stackoverflow
Inventor
Koichi Kobayashi
紘一 小林
Yoshikazu Arino
有野　好和
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
Original Assignee
NEC 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP21455583A priority Critical patent/JPS60106233A/ja
Publication of JPS60106233A publication Critical patent/JPS60106233A/ja
Publication of JPH0231535B2 publication Critical patent/JPH0231535B2/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)
JP21455583A 1983-11-15 1983-11-15 伝送路切替装置 Granted JPS60106233A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21455583A JPS60106233A (ja) 1983-11-15 1983-11-15 伝送路切替装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21455583A JPS60106233A (ja) 1983-11-15 1983-11-15 伝送路切替装置

Publications (2)

Publication Number Publication Date
JPS60106233A true JPS60106233A (ja) 1985-06-11
JPH0231535B2 JPH0231535B2 (enrdf_load_stackoverflow) 1990-07-13

Family

ID=16657659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21455583A Granted JPS60106233A (ja) 1983-11-15 1983-11-15 伝送路切替装置

Country Status (1)

Country Link
JP (1) JPS60106233A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5373404A (en) * 1989-05-22 1994-12-13 Kabushki Kaisha Sankyo Seiki Seisakusho Helical scan type rotary head drum unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877336A (ja) * 1981-11-04 1983-05-10 Toshiba Corp オンラインシステムにおける回線切換方式

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877336A (ja) * 1981-11-04 1983-05-10 Toshiba Corp オンラインシステムにおける回線切換方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5373404A (en) * 1989-05-22 1994-12-13 Kabushki Kaisha Sankyo Seiki Seisakusho Helical scan type rotary head drum unit

Also Published As

Publication number Publication date
JPH0231535B2 (enrdf_load_stackoverflow) 1990-07-13

Similar Documents

Publication Publication Date Title
US4159470A (en) Data communications systems employing redundant series transmission loops
EP0102059B1 (en) Data transmission device for loop transmission system
US6590864B1 (en) Protection switching using standby system for transmission of line status signals
JPS60106233A (ja) 伝送路切替装置
KR100333954B1 (ko) 단일코어를 이용한 광통신망 이중화와 고장감시방법 및 그장치
JPS61228742A (ja) 遠方監視制御装置
JPH035695B2 (enrdf_load_stackoverflow)
JP2669356B2 (ja) Ｐｄｓ伝送システム
JP3971828B2 (ja) 回線障害対策装置
JP3020643B2 (ja) 列車制御用通信装置
JPS6148249A (ja) 回線切替装置
KR100265888B1 (ko) 테이다 통신시스템의 택시링크 이증화 제어방법
JPH05304533A (ja) 光ｌａｎシステムと異常検出方法
JPH02190042A (ja) デジタル信号伝送方式
JPH0389739A (ja) 受信部二重化回路
JPS60235534A (ja) ル−ト予備伝送方式
JPS61206335A (ja) 状態監視装置
JPS62110335A (ja) 伝送路切替監視方式
JPS6242421B2 (enrdf_load_stackoverflow)
JPH0216831A (ja) 遠方監視制御装置の回線異常回復方法
JPS5923651A (ja) 障害検出方式
JPS61269539A (ja) システム試験方法
JPH03252223A (ja) Ｐｃｍ中継伝送路の故障位置遠隔標定方式
JPH0563761A (ja) 回線障害検出方式
JPS6256050A (ja) デ−タ回線終端装置