DataRäven Elektroteknik, Munkhagsgatan 82, 587 25 Linköping, SWEDEN, 0765797141, info@foxcomputer.se.

http://www.beyondlogic.org/ - Collection of software
http://tldp.org/HOWTO/Serial-HOWTO.html - Serial HOWTO
http://tldp.org/HOWTO/Modem-HOWTO.html - Modem-HOWTO
http://tldp.org/HOWTO/PPP-HOWTO/ - PPP HOWTO
http://www.lvr.com/serport.htm - Serial Port Central
http://www.bb-europe.com/techlibr.asp - Technical Library RS-232 and RS-485
http://www.circuitcellar.com/library/ccofeature/perrin0799/index.asp - The Art and Science of RS-485
http://www.profibus.se/ - PROFIBUS i Sverige
http://ethernet.industrial-networking.com/ - THEonline INDUSTRIAL ETHERNET Book
http://idc-online.com/technical_references/?country=United+Kingdom - Tutorials on Industrial Data Communications
http://www.ipprimer.com/overview.cfm - Daryl's TCP/IP Primer
http://archives.sensorsmag.com/articles/0702/26/ - Distributing Control with Ethernet and TCP/IP
http://www.ccontrols.com/extension.htm - Industrial Networking Fields
http://www.ctrlink.com/technotes.htm - ABCs of ETHERNET TECHNOLOGY
http://industrialethernetu.com/ - Industrial Ethernet University
http://www.techfest.com/ - TechFest