Hi Jamekoy,
Strangely, I have one of the LS300’s still working and it’s on the same network as the others. I’m guessing I’ll need to send back to manufacturer then I suppose. I was hoping there would be a definitive answer for the problem, but it seems I’ll have to cover the costs of shipping and lost time by sending back to Sierra Wireless.
Have you managed to communicate with the modem to change the settings or update the firmware. I am unable to load AceManager in the web browser with either the default IP address or the one I had set originally.