POS Software for Restaurant, Retail, Pizza, Liquor Store, Grocery and Delivery
Plexis Point of Sale Software
Call 1-302-727-0333

12:00noon to 8:00pm Weekdays Eastern Time

Get Plexis POS Software for Free

Internet Connection Not Required

Keep Your Credit Card Company


Plexis POS fully integrates Credit Card, Debit Card, EBT / SNAP Food Stamps and EBT Cash Benefits.
Obtain a PAX S300 from any vendor of your choice. You may contract with a Supported
Payment Processor or a Merchant Account Services provider of your choice.

Internal Settings in the PAX S300 Terminal:
Main Communication LAN
Backup Communication Dial
Maximum Tries 1
Connect Timeout 300
Lan Type Static
Subnet Mask
IP Address ex:
Gateway IP ex:
DNS IP ex:
ECR CommType Ethernet
Communications Port 10009
Communication Protocol HTTP GET
Contactless Options OFF (disable)
Duplicate Checking ON (enable)

Pin Pad Terminal Integration with Plexis POS Software
Print outs are sent to your standard receipt printer and there is no need to purchase seperate Credit Card Terminal printer paper.

The S300 supports Contactless Capture, e-Signature, Magnetic Stripe, Chip & PIN.
EMV and PCI Compliant.

Enter the setup mode by holding the FUNC key down and press the "1" key.
Enter the password which is todays date (MMDDYYYY) and press the Green Arrow Key.
You may be prompted to re-enter the password multiple times throughout the setup process.

Router / Firewall Settings:
If you are connecting your PAX S300 terminal through a router you will need to set Port Forwarding up for EACH terminal connected to the router.

Port Forwarding Example:
Port forwrding example for a router
Click image for details

Demo Download

Downloads and Upgrades

Price List


Screen Samples

Restaurant POS Software | Pizza POS Software | Coffee Shop POS Software
Grocery Store POS Software | Convenience Store POS Software
Retail POS Software | Liquor Store POS Software
Cafe and Deli POS Software | EBT / Snap and Food Stamp POS Software

Plexis Point of Sale Software
Call 1-302-727-0333

12:00noon to 8:00pm Weekdays Eastern Time

Frequently Asked Questions

Help Center

Our 30 Day Refund Policy

About us

Contact us