Methods and apparatus for measuring a length of a cable
US7808249B1 · kind B1 · utility
8Cited by
54References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2008 |
| Grant date | Oct 5, 2010 |
| Priority date | — |
| Expiry date | Nov 8, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L43/50
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A physical layer (PHY) device of a network device includes a first module, a first cable-length measuring (CLM) module, and a first control module. The first module determines whether a remote PHY that communicates with the PHY device over a cable is capable of measuring a length of the cable. The first CLM module measures a first length of the cable. The first control module causes the first length to be transmitted to the remote PHY, receives a second length of the cable measured by the remote PHY, and adjusts an operating parameter of the PHY based on at least one of the first and second lengths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.