PAX S300 Set Up

STEP 1: Getting the IP Address of the PAX S300

You will need to get the IP Address of the PAX S300 in order to communicate to it from Lightning Online Point of Sale.   

Ensure that your PAX S300 terminal is running and click the Menu (Func + 1) button. You will be prompted for the terminal password. 

The password will always be the current date in the format mm/dd/yyyy.

On the menu screen that appears click the down arrow to go to the next menu screen.

Click on the Communications button.

On the Communication Options screen click the down arrow again which bring up the menu noted below.

On the next menu click the LAN Parameters button.

On the LAN Parameters menu click on the IP Address option.

And on the final screen, you will see the IP Address displayed.

Important, please make a note of this IP address as you will need to enter it in the next step to configuring your PAX S300

STEP 2: Setting up the Hosts file

Once you have the IP address of your PAX S300 by following Step 1 you will need to configure the hosts file on your PC. 

The host's file is a special file in Windows that gives a name to the IP Address.

Press the Windows key.
Type Notepad in the search field.
In the search results, right-click Notepad and select Run as administrator.

From Notepad, open the following file: c:\Windows\System32\Drivers\etc\hosts

From Notepad, open the following file: c:\Windows\System32\Drivers\etc\hosts

Add the following entry to the bottom of the host's file. 

The IP address entered may not be 192.168.0.4 but should be the one you noted down in Step One.


192.168.0.4             pax1.lightningpos.com

It should look something like this.


Click File > Save to save your changes.
NOTE:  the pax1.lightningpos.com value can also be
pax2.lightningpos.com
pax3.lightningpos.com etc. 

In each situation, if your existing configuration reads pax1.lightningpos.com please keep this, as it would be rare it would change..