Patents Examined by Ken Vaderpuye
  • Optical line termination node and passive optical network
    Patent number: 9042728
    Abstract: An optical line termination node has a first connection arrangement for connecting a working fiber, a second connection arrangement for connecting a protection fiber, a transceiver arrangement having first primary link and a first secondary link, and protection switching means configured for being switched either in a working operating state or in a protection operating state.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: May 26, 2015
    Assignee: ADVA OPTICAL NETWORKING SE
    Inventor: Klaus Grobe