LP which was prepared for use with a Standard Plesk version is named by the following rule:
[product name]_v[product version]_locale_build[build number]_[language
abbreviation].sh
psa_v7.5_locale_build040920.20_ru.sh
LP which was prepared for use with RPM Plesk version is named by the following rule:
[product name]_v[product version]_locale_build[build number]_[language
abbreviation]_[noarch].rpm
psa_v7.5_locale_build040920.20_ru_noarh.rpm
Note: this rule is not accessible for Plesk 7.5