Coherent receiver technology uses a local oscillator laser with the same frequency as the received signal to perform coherent processing and recover () information from the received signal. (Multi-quality selection.)

On OSN Series transmission devices, ethernet ports cannot access tagged and untagged frames at the same time

Which of the following layers define the protocols that control the network layer? The protocol for this layer applies to logical links, i.e. end-to-end connectivity between two devices.

After the U2000 sends configuration data to the network element, if the SCC single board authentication fails, the network element enters the installation state.

Which of the following bytes can be used for ordenwire calls between two REG devices?