GuaranLink Ensures Reliable and Consistent Cellular Connectivity
Moxa's OnCell products come with GuaranLink, which enables reliable, consistent connectivity; GuaranLink ensures that your wireless connection will be available whenever you need it. This translates to zero data loss and on-demand cellular communications. GuaranLink achieves this in the following ways:
ISP Initial Connection Check
First, when GuaranLink is enabled and a low or weak signal is detected, it will automatically disconnect and then reconnect to establish a stronger connection. When used with Moxa's dual SIM cellular routers, GuaranLink will automatically disconnect the 1st SIM card's low/weak cellular connection and will reconnect to establish a stronger connection using the 2nd SIM card.
Cellular Connection Alive Check
Second, the ISP Initial Connection Check function ensures that the OnCell can establish a connection with an ISP after rebooting.
Packet-level Connection Check
Third, the Cellular Connection Alive Check function ensures that the cellular connection will be kept alive, even if no data is transmitted for a period of time, by performing a DNS/Ping to the remote host.
Last but not least, the Packet-level Connection Check function will check to see if the cellular network can be accessed by performing a DNS/Ping remote host check.

These three checks work in concert to verify that the OnCell device has a confirmed cellular connection. A communications interruption will prompt basic troubleshooting responses immediately, such as switching to the second SIM card or restarting the device. Maintenance staff can configure all of this time-saving automation to occur automatically, without any intervention from the user.

Additionally, GuaranLink provides system logs for troubleshooting. Thanks to non-stop connectivity, you can troubleshoot your OnCell Cellular devices remotely. Without GuaranLink, personnel must be dispatched to the remote site to physically toubleshoot or reboot unavailable devices.

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