The alphanumeric string EP9000-CUSA08809_00-SOTC000000000000-EUA0100-V0100 (often stylized as ep9000cusa0880900sotc0000000000eua0100v0100) is a standardized Content ID used within the PlayStation ecosystem to identify specific software assets.
For now, here is a basic list summarizing what we have: ep9000cusa0880900sotc0000000000eua0100v0100 new
Many search engines will not recognize the full string. Break it into parts:
ep9000cusa + 0880900 + sotc + 0000000000 + eua0100v0100 + new Connects to legacy PLCs (Modbus, PROFIBUS) and transmits