I will answer my own thread. Sorry for misunderstandings in the previous description since my English level is not at the same level as a native one. Sfp module, or fiber modem in this case, already...

I have a sfp module Alcatel ( G-010S-P ) which I want to use it to replace my ISP's gateway/modem. However, my router was unable to recognize the sfp module, even though the SFP led lit to indicate...