To find the IP address on your PAX S300 terminal, follow these steps:

1. Access the Main Menu

• Simultaneously press the [FUNC] (or [F]) key and the [1] key.
• Password: Enter the device password.
  • Default: The current date in MMDDYYYY format (e.g., if today is Feb 1, 2026, enter 02012026).
  • Heartland Devices: Try 916860.
  • Bluefin/General: Try the previous or next day’s date if today’s date doesn’t work.

2. Navigate to Network Settings

• Use the [Down Arrow] to scroll and select Communication.
• You may be prompted for the password again; enter it and press the green [Enter] key.
• Scroll down and select LAN Parameters.  1. Lan Type  ( HDCP   Static )

3. View the IP Address 2. IP Address

• Select IP Address.
• The current IP address assigned to the terminal will be displayed on the screen.

Quick Troubleshooting

• No IP Displayed? Ensure the Ethernet cable is securely plugged into the red “LAN” port on the terminal’s junction box and that your router is active.
• IP is 0.0.0.0? The terminal isn’t picking up a connection. Try a different Ethernet cable or port on your router.
• Stability Tip: It is highly recommended to set the LAN Type to Static after you find your IP. This prevents the address from changing if the power goes out, which would disconnect your POS system from the terminal.

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On the PAX S300, the “port” can refer to either the physical hardware connection or the digital communication port used to connect it to your POS software.

1. Physical Hardware Port (Ethernet)

To connect the terminal to your network, look at the connector cable (the multi-headed cable assembly, sometimes called a “pigtail” or “dongle”):

• The Red Port (RJ45): This is the LAN/Ethernet port. Plug your Ethernet cable from your router or network switch into this specific red-coded port.
• The Blue Port (RS232): This is used for a serial connection to the POS or as a failover phone line in some configurations.

2. Digital Communication Port

When configuring your Point of Sale (POS) software to talk to the PAX S300, you will often need to enter a Port ID.

• Default Port: 10009.   Pax Terminal Timeout  500000    자동으로 잡음.
• Alternative Port: Some legacy or specific systems may use 10008 or 8080, but 10009 is the standard for most modern integrations.

How to Confirm the Port on the Device

If your POS is not connecting, you can verify the port ID on the terminal screen:

1. Press the [FUNC] and [1] keys simultaneously.
2. Enter the password (default is often today’s date in MMDDYYYY format) and press the green [Enter] key.
3. Scroll down and select Communication.
4. Enter the password again if prompted.
5. Scroll down to find ECR Comm. Type.
6. Select Ethernet. The screen will then display the Port ID (e.g., 10009).

Troubleshooting Tip: Ensure both your PAX S300 and your POS computer are plugged into the same router; otherwise, they will not be able to communicate even with the correct port settings.

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