Error message logged in TTY.[port number].[mmdd] file --
[date / time] [port] Serial port buffer full and no message detected: discarding buffer
This message might be logged when there is noise on the tty line and no EoM (End of Message) marker is found by the SMDI process.
Resolving the problem
In the case that the message is caused by noise on the tty port, check that there is a valid connection and good transmission on the TTY port.