تماشای ویدئو SIPROTEC 5 System Details Part 3 of 9 Interfaces and modules از آی-ویدئو
"This video shows the options and structure of communication modules/interfaces in SIPROTEC 5 protection relay / IED.
More Information: http://www.energy.siemens.com/hq/en/automation/power-transmission-distribution/protection/siprotec5/
"