It may be a localized update package for specific hardware, where "OD1" identifies the hardware revision. Security Warning
"IP" may stand for Internet Protocol or Industrial Process, while "OD" often refers to "Output Data" or "Object Dictionary" in automation (like CANopen protocols). IP_OD1_Set55.rar
This is a Roshal Archive file used for high-level data compression. It requires software like WinRAR or 7-Zip to extract the contents. It may be a localized update package for