Internal code change information

EC Number
Displays the engineering change (EC) number of the internal code change.
Retrieved Level
Displays the internal code change level that was most recently copied to the targeted object making it available for installation.
Installable Concurrent
Displays the highest retrieved internal code change level that can be installed and activated concurrently. That is, you can install and activate all change levels retrieved for the system, from the current installed level up to and including the installable concurrent level, without disrupting the operations of the system.
Installed Level
Displays the internal code change level that was most recently prepared for activation as a working part of the licensed internal code of the system.
Activated Level
Displays the internal code change level that was most recently activated as a working part of the licensed internal code of the system.
Accepted Level
Displays the internal code change level that was most recently made a permanent working part of the licensed internal code of the system.
Removable Concurrent
Displays the lowest installed internal code change level that can be removed such that the remaining installed change level can be activated concurrently. That is, you can remove all change levels installed for the system, from the current installed level down to and including the removable concurrent level, and then activate the change level that remains installed without disrupting the operations of the system.
Removed Level
Displays the internal code change level that will remain installed and become activated when the system are activated again, while the installation of all more recent change levels is undone.