JPS63152331U - - Google Patents

Info

Publication number
JPS63152331U
JPS63152331U JP1987043078U JP4307887U JPS63152331U JP S63152331 U JPS63152331 U JP S63152331U JP 1987043078 U JP1987043078 U JP 1987043078U JP 4307887 U JP4307887 U JP 4307887U JP S63152331 U JPS63152331 U JP S63152331U
Authority
JP
Japan
Prior art keywords
optical
signal
board
alarm instruction
repeater
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
JP1987043078U
Other languages
English (en)
Japanese (ja)
Other versions
JPH071870Y2 (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 JP1987043078U priority Critical patent/JPH071870Y2/ja
Publication of JPS63152331U publication Critical patent/JPS63152331U/ja
Application granted granted Critical
Publication of JPH071870Y2 publication Critical patent/JPH071870Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Communication System (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP1987043078U 1987-03-24 1987-03-24 光中継器の警報指示信号送出回路 Expired - Lifetime JPH071870Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987043078U JPH071870Y2 (ja) 1987-03-24 1987-03-24 光中継器の警報指示信号送出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987043078U JPH071870Y2 (ja) 1987-03-24 1987-03-24 光中継器の警報指示信号送出回路

Publications (2)

Publication Number Publication Date
JPS63152331U true JPS63152331U (enrdf_load_html_response) 1988-10-06
JPH071870Y2 JPH071870Y2 (ja) 1995-01-18

Family

ID=30859596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987043078U Expired - Lifetime JPH071870Y2 (ja) 1987-03-24 1987-03-24 光中継器の警報指示信号送出回路

Country Status (1)

Country Link
JP (1) JPH071870Y2 (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005167935A (ja) * 2003-12-05 2005-06-23 Fujitsu Ltd 光伝送装置および光伝送システム
JP2007013816A (ja) * 2005-07-01 2007-01-18 Nec Corp 光伝送装置及び該光伝送装置に用いられる障害情報伝送方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60148255A (ja) * 1984-01-12 1985-08-05 Mitsubishi Electric Corp 安全装置
JPS61202547A (ja) * 1985-03-06 1986-09-08 Fujitsu Ltd 中継器の余裕度監視方式

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60148255A (ja) * 1984-01-12 1985-08-05 Mitsubishi Electric Corp 安全装置
JPS61202547A (ja) * 1985-03-06 1986-09-08 Fujitsu Ltd 中継器の余裕度監視方式

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005167935A (ja) * 2003-12-05 2005-06-23 Fujitsu Ltd 光伝送装置および光伝送システム
JP2007013816A (ja) * 2005-07-01 2007-01-18 Nec Corp 光伝送装置及び該光伝送装置に用いられる障害情報伝送方法

Also Published As

Publication number Publication date
JPH071870Y2 (ja) 1995-01-18

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