#!/bin/bash

COMDEV=/dev/ttyUSB0
stty -F $COMDEV -hupcl -opost -onlcr -isig -iexten -echo -echoe -echok -echoctl -echoke -icanon min 0 time 5

echo "Turn ON/OFF mount"
echo ":o#" > $COMDEV
cat $COMDEV
sleep 1.4
echo ":O#" > $COMDEV
cat $COMDEV