Optical transmission apparatus having path trace function
US7522533B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 18, 2005 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | May 21, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J2203/0042
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An optical transmission apparatus has a path trace function of carrying out a conductive state check of a path in a synchronous optical transmission network. The optical transmission apparatus includes a first judgment unit judging a path trace format of an existing standard in accordance with detection of a first specific code contained in path trace data, and a second judgment unit judging a path trace format of a new standard in accordance with detection of a second specific code contained in path trace data. The apparatus further includes a third judgment unit specifying one of the path trace formats of the new standard in accordance with a content of a third specific code contained together with the second specific code in the path trace data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.