![Fermax LYNX Ref. 1609 Installation Manual Download Page 6](http://html1.mh-extra.com/html/fermax/lynx-ref-1609/lynx-ref-1609_installation-manual_554263006.webp)
Download the following script and just execute it in the PC/Laptop
http://www.fermax.com/fermax-
files/3d033cb2c3fa47a4c2b3959591aba11b/6113/DDConfigurer.zip
This window will appear in Windows prompt (Console). That means the script has been executed
successfully. We can check that in DDNS option of our Ref.1609 the following information has
been filled in automatically:
STEP 3
– Opening ports in private router
To allow access to our LYNX Call Divert Service from internet, it is necessary that the following
ports are open in our private router: