Dear Trisno,
The images that you’ve attached are not clear. Also, your question is not clear.
Please check the examples in OptiSystem example library on PON located at the following location.
C:UsersUSER NAMEDocumentsOptiSystem 19.0 SamplesMetro and access systemsPON and CDMA systems
Note, that there is 1xN Splitter Bidirectional, which you would set the number of output ports using the component properties popup window.
Regards,
Ahmad