Zyxel PLA5456 powerline ethernet kit question

Hi @bomishketi4 , 
It's not available for PLA5456 to do firmware upgrade, so you can use it directly.
May I know if there's any problem for using the PLA5456?
Thanks.

Hi @Tatiana ,
Here is the user guide of the PLA5456 for your reference.
https://download.zyxel.com/PLA5456/user_guide/PLA5456_v7.0.2_Ed6.pdf
You may check chapter 2 for how to pair the PLA 5456 and detail LED status information.
If you can't set up successfully, please share us the detail  issue symptom and topology, and then we'll help to check.
Thanks.