JPS6459220A - Optical space division matrix switch - Google Patents
Optical space division matrix switchInfo
- Publication number
- JPS6459220A JPS6459220A JP21503487A JP21503487A JPS6459220A JP S6459220 A JPS6459220 A JP S6459220A JP 21503487 A JP21503487 A JP 21503487A JP 21503487 A JP21503487 A JP 21503487A JP S6459220 A JPS6459220 A JP S6459220A
- Authority
- JP
- Japan
- Prior art keywords
- light
- monitoring
- switch
- output terminal
- outputted
- 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.)
- Pending
Links
Landscapes
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21503487A JPS6459220A (en) | 1987-08-31 | 1987-08-31 | Optical space division matrix switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21503487A JPS6459220A (en) | 1987-08-31 | 1987-08-31 | Optical space division matrix switch |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6459220A true JPS6459220A (en) | 1989-03-06 |
Family
ID=16665657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21503487A Pending JPS6459220A (en) | 1987-08-31 | 1987-08-31 | Optical space division matrix switch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6459220A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05122745A (ja) * | 1991-10-30 | 1993-05-18 | Oki Electric Ind Co Ltd | 光信号断線検出方法 |
EP0581459A2 (en) * | 1992-07-17 | 1994-02-02 | AT&T Corp. | Automatic on-line monitoring and optimization of optical network switching nodes |
WO1995020301A1 (en) * | 1994-01-25 | 1995-07-27 | Smiths Industries Aerospace & Defense Systems, Inc. | Method and apparatus for controlling an electro-optical switch |
US6654996B1 (en) * | 1996-07-17 | 2003-12-02 | Richard T. Harris | Tube remover and method for axially removing a metal tube |
-
1987
- 1987-08-31 JP JP21503487A patent/JPS6459220A/ja active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05122745A (ja) * | 1991-10-30 | 1993-05-18 | Oki Electric Ind Co Ltd | 光信号断線検出方法 |
EP0581459A2 (en) * | 1992-07-17 | 1994-02-02 | AT&T Corp. | Automatic on-line monitoring and optimization of optical network switching nodes |
EP0581459A3 (en) * | 1992-07-17 | 1994-10-12 | American Telephone & Telegraph | Automatic online monitoring and optimization of switching nodes in an optical network. |
WO1995020301A1 (en) * | 1994-01-25 | 1995-07-27 | Smiths Industries Aerospace & Defense Systems, Inc. | Method and apparatus for controlling an electro-optical switch |
US6075910A (en) * | 1994-01-25 | 2000-06-13 | Honeywell Inc. | Method and apparatus for controlling an electro-optical switch |
US6654996B1 (en) * | 1996-07-17 | 2003-12-02 | Richard T. Harris | Tube remover and method for axially removing a metal tube |
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