Download a PDF bi-fold of these instructions:

Connect the Device

The Pax S300 Credit Card Reader provides high levels of transactional security combined with contactless, e-Signature, magnetic stripe, and Chip & PIN.

The Pax S300 Credit Card Reader must be preconfigured, as well as Portico per the onboarding specification.

Connections

The unit requires:

Designated network (red connector - RJ45)
Power
Connection to the Point-of-Sale Terminal

Refer to the following images when connecting the device to the Point-of-Sale Terminal.

The PAX S300 9-Pin Serial Cable Dongle Note: Your dongle may not be color-coded as shown in the image to the right.
STEP 1 Connect one end of your Ethernet cable to the RJ45 Ethernet plug (red connector) of the 9-pin Serial Cable Dongle. Connect the other end of your Ethernet cable to your wall jack. Note: If your dongle is not color-coded, ensure you connect the cable furthest from the power input.
STEP 2 Connect the male RJ11 connector (common "phone jack" connector) of the 9-pin Serial cable to the RJ11 to 9-pin Serial (blue connector) of the PAX S300 Serial Cable Dongle. Note: If your dongle is not color-coded, ensure you connect the cable closest to the power input.
STEP 3 Connect the Male 9-pin Serial cable to the Female 9-pin Serial to USB adapter (shown in the image in Step 3).
STEP 4 Connect the USB adapter to the Point-of-Sale Terminal. Note: A software driver is required for the USB adapter cable. The drivers are included on the CD-ROM which may have been shipped with the unit. The updated drivers may also be downloaded from the website.

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Downloading and Installing the Driver

Log in to Customer Connect.
Access MCS Public Downloads > Newton > Peripherals.
Download PAXS300USBDriver_V1.00_20151112.zip.
Unzip the download and run the executable to install the driver.

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Configuring the PAX S300 Credit Card Reader in MCS Newton

Login to Newton.
Locate and click on the Admin & Maintenance tab.
Locate the Serving Line option in the Point-of-Sale Setup ribbon.
Select either Serving Lines or Serving Line Configs depending on if your District uses line or a particular template. If you are unsure, check with your point of contact in the District.
Select an existing serving line or serving line config and select Edit.
Select the tab labeled Override Settings and scroll down the options to Devices.
Locate the option for Credit Card Terminal and select into each field to show the eliipsis.
Select PAX S300 or compatible from the drop-down menu. Then, configure the Capture Signature and Port options. When finished, click Ok.
How to check which COM Port is assigned to your Credit Card Reader
If you are not sure of the Com Port assigned to the Credit Card Reader, perform the following steps.
1. Open Device Manager on your computer.
2. Expand Ports (COM and LPT) and take note of which Port is assigned to Serial USB.
Once you setup the PAX S300 Credit Card reader, the settings will apply to each Meal Type Override.
When finished, select Save & Close.