SUBSCRIBER-SIDE OPTICAL COMMUNICATION DEVICE, COMMUNICATION SYSTEM, CONTROL DEVICE AND POWER-SAVING CONTROL METHOD
An ONU 2 causes a receiver 221 and a transmitter 222 of an optical transmission-and-reception module 202 to enter into a power-saving state separately and includes a CDR 203 that clocks based on a signal from an OLT 1, an oscillator 207 that generates an internal clock, a time stamp counter 209 that...
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