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US20110241881 SYSTEMS AND METHODS FOR OPTICAL SECURE ALARMED PROTECTIVE FIBER DISTRIBUTION SYSTEMS AND MANAGEMENT  
A fiber optic network has alarmed fiber optic lines in the cables connecting a secured junction box to plural user lock boxes. An outgoing alarm line and return alarm line in each cable connect...
US20100158524 UPSTREAM SOURCE LIGHT GENERATOR OF PASSIVE OPTICAL NETWORK SYSTEM AND METHOD OF GENERATING UPSTREAM SOURCE LIGHT  
Provided is an upstream source light generator of a passive optical network (PON) system. The upstream source light generator includes an amplification part configured to amplify injection light,...
US20080279567 ASYMMETRIC ETHERNET OPTICAL NETWORK SYSTEM  
An Ethernet-based optical network system includes a first optical transmitter that can receive a first electric signal and to produce a first optical signal, a first optical receiver that can...
US20080232819 Pon System and Optical Network Unit Connecting Method  
In a passive optical network system, upon detecting a connection with one of a plurality of optical network units at the time of performing autonomous ranging, an optical line termination requests...
US20080166133 OPTICAL NETWORK REMOTE POWER SUPPLY SYSTEM FOR REMOTE SWITCHING UNIT  
An optical network remote power supply system is proposed, which is designed for use with an optical network for supplying power to a remote switching unit, and which is characterized by the...
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