Activates 25-slots. Order to expand control module from 25 to 50 slots. Up to two 25-slot licenses may be ordered for each 3U expansion module. Maximum seven expansion modules with a maximum of 400 slots per library. This is a library-based license that cannot be transferred to another library. If Atempo Tina is licensed for use with the library, when library slots are added, additional Atempo Tina slot licenses must be purchased to match the library slot capacity.