PAX Q25 | Setup Guide

📖 Overview

This guide walks you through the PAX Q25 Card Reader setup process, including:

• Accessing terminal-level menus
• Network whitelisting requirements
• Navigating key system settings
• Resolving common error messages

⚠️ This device must be properly whitelisted and configured on your network before it can download firmware and updates.

🌐 Network Whitelisting Requirements

At minimum, whitelist the following domains and IPs to ensure a successful connection to PAXStore services:

📌 Tip: Reference the full Shift4 Network Whitelist to ensure all communication paths are open.

Additionally:

• The IP assigned to the Q25 should be DHCP Reserved or Static outside the DHCP range.

🔐 Terminal Menu Access

How to Access the Function Menu:

1. From the idle screen, press the Menu button.
2. Enter the System Password (default is today’s date in MM/DD/YYYY format).
   • If not accepted, try yesterday's or tomorrow's date.
   • If still rejected, use admin override: 08485488
3. If the device locks from too many incorrect attempts, reboot by holding the red X button.

Button Quick Reference:

Button	Function
▲ / ▼	Scroll up/down
Menu	Access main menu
Cancel 🔴	Exit/back one layer or clear full input
Clear 🟡	Delete single digit/character
Enter 🟢	Confirm selection/input

📱 You can also tap the screen instead of using the keypad.

⚙️ Key Menus to Access

System Settings > App Management

Use this menu to manually pull PAXStore updates to the device.

To perform an App Update:

1. Menu > Enter password
2. Press Down > 1 System Settings
3. Press Down > 2 App Management
4. Enter password again
5. Press 2 App Update

Troubleshooting:

• "Connect Error": Device cannot reach PAXStore → verify network whitelist + connection.
• "Transaction remains in database": Clear transactions under System Settings > Database.

System Settings > Database

Use only if necessary to resolve errors or failing payments. If you have concerns about using this feature, then please contact support. 

🔄 Clear Database

1. Menu > Enter password
2. 1 System Settings > 4 Database
3. Enter password again
4. Press 1 Clear Database > Confirm
5. Choose 1 (All) to clear all EDC types

⛔ Clear Reversal

• Clears reversals only
• Follow same steps above, but choose 2 instead of 1

📴 Clear Offline

• Clears offline transactions
• Follow same steps, but choose 4

⚠️ Use these options only when necessary to resolve transaction-related errors.

Comm Settings > LAN Parameters

This section configures the device’s LAN connection.

LAN Type (DHCP vs Static)

1. Menu > Enter password
2. 2 Comm Settings > 4 LAN Parameters
3. Press 1 LAN Type
4. Choose:
   • 1 DHCP (auto-configures IP)
   • 2 Static (manual IP)

IP Address

• Only visible if LAN Type = Static
• Format: Enter using leading zeros (e.g., 10.1.120.2 = 010.001.120.002)

Subnet Mask / Gateway / DNS IP / DNS IP 2

• Follow same path as IP Address:
  • 2 IP Address
  • 3 Subnet Mask
  • 4 Gateway
  • DNS IP: Press Down > 1
  • DNS IP 2: Press Down > 3

Use the Clear key to backspace, Cancel to erase, Enter to confirm.

Ping Test

Use to check network connectivity:

1. Menu > Password > Comm Settings > LAN Parameters
2. Press Down > 4 Ping
3. Enter a domain (default: www.google.com)

🔠 To enter letters, press the number key and tap Alpha until the letter appears (e.g., to type Y, press 9, then Alpha x3).

🧠 Common Errors