GPON ONU Rx Power のより良い値は何ですか?

It is very important to check the GPON ONU received optical power, the number xxxx dBm at the back, if it shows -inf dBm, it means that the cable is not connected properly, and when it is connected properly, it usually shows a number within -10 dBm to -24 dBm. The size of the light attenuation will not affect the speed of the Internet, as long as it can be registered, it will not affect the speed of the Internet.