You and I have been on this site for a longtime.
You and I have often help poeple on this site.
I will start with one question, hoping not to insult you.
1-Are you return laser all DFB?
2- What is the RF input (return) on your Amp. and Node.
3- If I remember right, you are usind DOCSIS 2.0 ou 3.0
Joe50