The command that is executed to manage SW versions. Depending on the value given, a different operation will be carried out involving FTP and/or version installing. Notice that software will be installed in all slots in a shelf and reset will be automatically carried out at the end of the installation process. Possible values are: - noOperation(0) - downloadUpgradeVersion(1) - load a newer version from FTP site - upgrade(2) - upgrade to newer version which has already been loaded - rollback(3) - install a previously working version without downloading - downgrade(4) - downgrade to an older version which has alredy been loaded - downloadDowngradeVersion(5) - load an older version from FTP site - upgradeTimer(6) - Starts the timer defined in genEquipMngSwInstallationTimer and upon expiration upgrades to a newer version which has already been loaded. - rollbackTimer(7) - Starts the timer defined in genEquipMngSwInstallationTimer and upon expiration install a previously working version without downloading - downgradeTimer(7) - Starts the timer defined in genEquipMngSwInstallationTimer and upon expiration downgrades to an older which has already been loaded - abortTimedTnstallation(9) stops a counting timer; the installation process will not take place. Notice that it does not stop an installation process once started.