Method for providing remote loop back testing in a digital data system having multiple protocols
US5870428A · kind A · utility
14Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1995 |
| Grant date | Feb 9, 1999 |
| Priority date | — |
| Expiry date | Dec 4, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/241
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An adaptive digital data unit (600) initiates and successfully completes a remote loop back test. The adaptive digital data unit (600) has a controller (610), a local transmitter (620), a local receiver (640) a timer (622) and a detector (634). When a remote adaptive digital data unit (600) transmits a first data sequence and a second data sequence, the local adaptive digital data unit (600) receives the second data sequence from the remote digital data unit and determines if the second data sequence matches one of two predetermined data sequences. If so, a test successful flag is generated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.