Method for identifying the optical network unit power off reason
US8787751B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2010 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Sep 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2011/0083
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A passive optical network (PON) component comprising a power switch, a detector configured to monitor the power switch, and a processor configured to receive an interrupt from the detector and transmit a message comprising a first indicator that the PON component has powered down, and a second indicator giving a reason for the power down. A passive optical network (PON) component comprising a processor configured to implement a method comprising receiving an interrupt message from a detector, determining a reason for the interrupt, and transmitting a dying gasp message comprising an indicator of the reason for the interrupt. A method comprising transmitting an alarm message comprising an optical network terminal (ONT) manual power off indicator that indicates the ONT is shutting down because a subscriber has turned off its power switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.