Invention Grant
- Patent Title: Remote powering for FTTX via existing wire
- Patent Title (中): 通过现有电线远程为FTTX供电
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Application No.: US12867099Application Date: 2008-02-11
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Publication No.: US08483561B2Publication Date: 2013-07-09
- Inventor: Elmar Trojer
- Applicant: Elmar Trojer
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget LM Ericsson (Publ)
- Current Assignee: Telefonaktiebolaget LM Ericsson (Publ)
- Current Assignee Address: SE Stockholm
- International Application: PCT/SE2008/050159 WO 20080211
- International Announcement: WO2009/102243 WO 20090820
- Main IPC: H04J14/00
- IPC: H04J14/00

Abstract:
The present invention relates to a powering method, a powering system, a cabinet and a central office for powering a copper-centric fiber to the x (FTTX) architecture. The architecture comprises at least one point to point or point to multipoint optical distribution network (ODN) between an optical line termination (OLT) or first Ethernet Switch positioned at a central office (CO) and an optical network unit or second Ethernet switch positioned at a cabinet (CAB) or building closer to a network terminal (CPE). The ODN is an active or passive network. The architecture further comprises at least one signalling coaxial or twisted wire pair line between the ONU or second Ethernet switch (ES) and one network terminal (CPE). What particularly characterizes the present invention is that the ONU or the second ES is powered remotely from the central office (CO) via at least one powering twisted wire pair line extending between the central office (CO) and the cabinet (CAB) or building.
Public/Granted literature
- US20100310255A1 Remote powering for FTTX via existing wire Public/Granted day:2010-12-09
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