Given that you have:
local # Do not use modem control lines; assume a
then pppd ought to tell the TTL to ignore DCD drops.
Is this a real serial connection, or actually serial over USB or PPPoE?
Looks like USB0. USB/TTL adapter I bet. Are other pins being used for
(JTAG) programming, reset?
Maybe "stty -F /dev/ttyUSB0 -a" (as root) during your magic 6s.
Is clocal set?
Attachment:
signature.asc
Description: PGP signature
