To turn on the Verifone P400, securely plug the P400 connector cable into the port on the bottom of the reader. The cover slides over the port to hold the cable in place. Plug the power adapter into the connector cable and into a power outlet.

Verifone P400 connector cable

The Verifone P400 automatically turns on when connected to power. In a countertop deployment, leaving the device on for extended periods is expected. If you need to turn the reader off, remove the power source.

Setting up Wifi

If you’re setting up a new device, follow the on-screen prompts to connect to the internet using WiFi. To start over, press the red X button on the keypad.

To switch networks, or connect an already online reader to a WiFi network, press 0WIFI (0-9-4-3-4) on the keypad and follow the prompts. Attempting to join a new network disconnects the reader from any existing wireless connection. There’s no fallback to the previously connected network.

Your WiFi network must use WPA-Personal or WPA2-Personal encryption and be password protected. WiFi is not supported for non-password-protected networks or enterprise networks.

Ethernet

Connect an Ethernet cable from your router to the Verifone P400, using the ETH port (not the RS232 port).

Connecting Ethernet cable to Ethernet port

The reader obtains an IP address using DHCP. As soon as the network cable is plugged in, the reader attempts to establish communication with Cents.

Checking connectivity

Cents provides two debug screens on the reader. Use these screens to help diagnose common connectivity and network issues. To access a debug screen, enter the following key sequences while on the splash screen:

0-4-2-6-8 - Device Status - Shows the device's IP address, account ID, location, gateway, network mask, and connectivity status.

0-8-6-2-4 - Connectivity - Starts a network test, by attempting to connect to the required endpoints.

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