224576 ⎘
Optical multiplex systems; Wavelength-division multiplex systems; Protection in WDM systems; Optical multiplex section protection Dedicated protection at the optical multiplex section (1+1)
Systems and methods for optical protection switch with single-ended activation, operation, and provision of 1+1 protection over redundant bidirectional communications paths
#2Optical switching system for optical line protection in single fiber transmission
#31+1 Ethernet fabric protection in a disaggregated optical transport network switching system
#4Protection apparatus for a bidirection optical link
#5Apparatus for protecting an optical link
#6Method and apparatus for optical transmitter and receiver redundancy within a directionless optical node
#7Method and apparatus for optical transmitter and receiver redundancy within a directionless optical node
#8Method and apparatus for optical transmitter and receiver redundancy within a directionless optical node
#9Flexible interconnection of scalable systems integrated using optical networks for datacenters
#10Directionless optical architecture and highly available network and photonic resilience methods
#11Large-capacity fiber optical switching device and optical transmission system
#12Network and method for providing redundancy in an optical distribution network
#13Drop port based shared risk link group systems and methods
#14OPTICAL RING NETWORKS HAVING NODE-TO-NODE OPTICAL COMMUNICATION CHANNELS FOR CARRYING DATA TRAFFIC
#15Optical access network, secondary network side termination node of an optical access network, and method for operating a network side termination node
#16Light transmission device, optical relay device, optical wavelength multiplexing transmission apparatus, and light transmission method
#17PON system and redundancy method
#18Method and system for protection switching
#19Method and system for protection switching
#20Optical network element, optical network, and method of operating an optical network
#21Optical transmission systems, devices, and methods
#22All optical 1+1 protection unit using sub-carrier modulation protocol
#23WAVELENGTH DIVISION MULTIPLEXING APPARATUS AND DISPERSION COMPENSATING METHOD FOR OPTICAL SIGNAL
#24Dual fault tolerant optical networking with fast protection performance
#25Optimized directionless optical add/drop module systems and methods
#26WDM PON protection scheme using a dual port arrayed waveguide grating (AWG)
#27Directionless optical architecture and highly available network and photonic resilience methods
#28Highly reliable backbone video distribution architecture
#29Protocol-less all-optical 1+1 bidirectional revertive linear protection system
#30SELF-HEALING RING-BASED PASSIVE OPTICAL NETWORK
#31Signal distribution module for a directionless reconfigurable optical add/drop multiplexer
#32Apparatus and method for protection switching of optical channel
#33Optical ring networks having node-to-node optical communication channels for carrying data traffic
#34Modular add/drop multiplexer including a wavelength selective switch
#35Optical network system
#36Optical communication systems and methods of operating such optical communication systems
#37Modular add/drop multiplexer including a wavelength selective switch
#38Virtual protection channel for fiber optic ring network
#39Optical add/drop device
#40Flexible node architecture with full protection
#41Optical communication systems and methods of operating such optical communication systems
#42Node apparatus, optical wavelength division multiplexing network, and system switching method
#43Systems and methods for placing line terminating equipment of optical communication systems in customer points of presence
#44Optical apparatus and optical cross connect apparatus
#45Method, system, and storage medium for preventing duplication and loss of exchanges, sequences, and frames
#46System and method for re-using wavelengths in an optical network
#47Inter-card channel protection method in wavelength division multiplexed system
#48System and apparatus for a carrier class WDM PON providing trunk protection with increased fiber utilization, distance and bandwidth
#49Self-healing hierarchical network management system, and methods and apparatus therefor
#50IP packet communication apparatus
#51Signal transceiving method for use in optical ring network and optical node for the same
#52System and apparatus for a carrier class WDM PON for increased split number and bandwidth
#53Wavelength division multiplexed self-healing passive optical network using wavelength injection method
#54Transmission apparatus and path selection method of a transmission apparatus
#55Switching media converter and ring type wavelength division multiplexing passive optical network system using the same
#56Self-healing wavelength division multiplexing-passive optical network system
#57Protection for a degree-to-degree fiber link in an optical add/drop multiplexer (OADM)