Question:
I get the below error when trying to do a read on a meter.

Answer:Cleaning up server TCP sockets is sometimes a bit messy - requiring a longer timeout - and then after repeated attempts you collide with yourself coming & going.I've investigated this case, and it seems the Maestro modem has stopped connecting to us. Is it prepaid? Is the modem freezing up? (do you have a watchdog configured or installed on it?)When I did a netcat -lvvp 13589, the server socket opened fine. That means no-one else is hogging that port.When I then tried to connect from a telnet session on my notebook to www.pnpscada.com 13589, it connected without a problem. Therefore it seems that the server socket does usually get cleaned up correctly (after a while); and that connections from outside do go through (no firewall); so the only thing that can be wrong is the modem not connecting to us.When I look at the Meter Read Log, it corraborates my story: most of the problems happening are 'Accept timed out'. This means it usually manages to create the listening server socket correctly (in your example it didn't); and that the main reason the meter is not reading in is in fact because the modem is not connecting to the listening server socket in question.