| 摘要 |
An optical network unit (ONU) includes an optical receiving module, an energy transforming module and an adjusting module. The optical receiving module receives an optical power signal. The energy transforming module transforms the optical power signal into a level signal. The adjusting module generates a power adjusting signal in accordance with the level signal. A transmitting power of the ONU is adjusted in accordance with the power adjusting signal. A control method of an optical network unit is also disclosed, which includes the steps of: receiving an optical power signal, transforming the optical power signal into a level signal, generating a power adjusting signal in accordance with the level signal, and adjusting a transmitting power of the ONU in accordance with the power adjusting signal.
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