Optical wavelength multiplex transmission system, optical wavelength multiplex apparatus, and standby system checking method

Signal quality information notification method and relay communication apparatus

Fault detection method and device

Electronic device and method for controlling the same

Method for measuring transmission delay of optical transport network device and source OTN device

Method of identifying long-shining rogue ONU in passive optical network

Method and Apparatus for Processing Tandem Connection Monitoring Level

Method for detecting network asymmetrical status and asymmetrical communication channels for power system

Network sync planning and failure simulations

Method and arrangement for controlling a regenerator for data burst signals of a system comprising point-to-multipoint connections, transmission system comprising point-to-multipoint connections, and regenerator

ONT TEST UNIT

Transmission apparatus, path testing method, and storage medium

Monitoring method for a passive optical network

Device and method for testing integrated circuit dice in an integrated circuit module

Systems and methods for the implementation of a remote test access feature using virtual connection points and sub-network connections

Network testing apparatus, network testing method and recording medium thereof

Automatic ONT self disabling system, method, and computer readable medium

Characterizing jitter sensitivity of a serializer/deserializer circuit

Passive optical network rogue optical network unit diagnostics

Serializer/deserializer circuit for jitter sensitivity characterization

Bus interface for transfer of multiple SONET/SDH rates over a serial backplane

Device and method for measuring jitter

Device and method for testing integrated circuit dice in an integrated circuit module

Apparatus and method for generating synchronous multiplexing frame in which frame structure can be arbitrarily set including TUG3/STS3 and TUG2/VTG channels