You will need to access the following link http://localhost:9229/admin on the server running payment integration services to get the FNB Server IP address.
Select Options, then select fnbSwitch;
The very first line will show the FNB Server IP address;
You will need to open a new tab and type the FNB server IP address and press enter;
If you get the below response it means that the FNB server is connected and online.
When you scroll down the page you will be able to see if all the services are running for FNB as well as a list of the Terminal ID and Till ID for each SST.
OR if you get the below response it means that the FNB server is switched off and or not connected so you will need to switch it on, if the server is switched on and connected but you are still not able to access the site FNB will need to go to site.