Administrator > Configuring Tablet to connect to Internet via USB/Ethernet adapter

POS Tablet Setup Guide Addendum

Configuring Tablet to connect to Internet via USB/Ethernet adapter

7/22/2021

Background

The CNCentral POS and Daily Wrap Up apps are designed to function in areas with poor WiFi. This requires being able to periodically connect to internet, ideally at least at the beginning or end of the day to receive the latest sync of accounts or menu items.  There may be some situations where constant internet access is still desired in a no-WiFi zone but an ethernet/LAN port is available. 

Hardware

This document assumes that the Samsung Galaxy Tab A (SM-T350) is used.  A Micro USB/Ethernet adaptor may be used that connects to the Micro USB port on the tablet to a nearby LAN port. 

Recommended Specs:

  • Micro USB connector (to plug into tablet)
  • RJ45 LAN Port (to plug ethernet/LAN cable into)
  • Multiple USB ports (to plug barcode handscanner into)
  • Independently Powered (may provide better reliability and batter life for tablet)

Example from Amazon:

Name: Ethernet Adapter with OTG Cable Hub Compatible for Samsung Galaxy Tab E, Google Chromecast Home Mini, Chromecast Ultra and Raspberry Pi Zero - Micro USB Multiport to RJ45 LAN Network

Amazon Link: https://www.amazon.com/gp/product/B08R39JVWH/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

 

Configuration Steps

  • In a place with good WiFi, setup the WiFi connection and verify that you can access the internet outside the school using the WiFi (e.g. google.com).
    1. Note this website for testing the LAN connection afterwards.
  • Disable the tablet’s WiFi connection
  • Plug the device into the tablet
  • Plug the LAN cable into the device
  • Restart the tablet
  • If the tablet does not automatically connect to the internet, perform the following steps (these screenshots are from the SM-T350 device):
    1. Open Settings by swiping down and pressing the “Gear” icon in the upper right (or press on the “Ethernet cable connected” notification)
      1.  
    2. Select “Connections” at the top of the list, and then select “More connection settings” on the right
      1.  
    3. Select “Ethernet” from the list at the right
      1.  
    4. Verify that “Ethernet” says “Connected”. If not, then press on it and wait for it to connect.
      1.  
  • Once the device is connected, verify that you can connect to the internet by opening up the internet browser and visit a website outside the school’s network that you know you should can access from another device (e.g. google.com).
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