1. Off-line to install the driver and time sync daemon on DA-820-LX
	$ apt-get install DA-820-irigb-driver_1.1_amd64.deb
	$ apt-get install DA-820-irigb-timesync-daemon_1.1_amd64.deb
2. moxa_IRIG-B.tar.gz is the driver source
3. mxIrigb_example.tar.gz is the example code