sleep 20 </dev/tty1a &
stty 9600 cs8 -cstopb -parenb parodd clocal cread -ocrnl -onlcr -ofill -ixon -rtsflow -brkint ignbrk </dev/tty1a
stty -a </dev/tty1a
echo "BR 2591 1 R\r\n" >/dev/tty1a