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
Links
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Dc Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Optical Communication System (AREA)
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 (US07922777-20110412-C00004.png) | 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 (US07922777-20110412-C00004.png) |
Cited By (2)
| 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)
| 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 |
-
1987
- 1987-03-24 JP JP1987043078U patent/JPH071870Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| 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 (4)
| 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 |
| JP4516739B2 (ja) * | 2003-12-05 | 2010-08-04 | 富士通株式会社 | 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 |
| JP4586653B2 (ja) * | 2005-07-01 | 2010-11-24 | 日本電気株式会社 | 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 |
