I got it done. set the CPE to dynamic and now it is visible in my router. Now to work with my client CPE. Can I also set this as access ? Then I can use this also to bring the wifi internet further...

@Joseph-TP I have tried everything but my router keeps not recognizing the cpe210. When I search for all networks on my smartfhone I also get the cpe210 in the list with all data including the IP...

I installed a TP-link Outdoor CPE210 and connected it to my router AX1500 with cable. the ax1500 does indicate that the corresponding lan port is in use but does not show the cpe in the connected...