the 48 is a smokescreen. they are not backfilling certain slots (it potentially could be only a 31 CA upgrade <--- which is better than nothing).
WE WILL NOT BACKFILL OCC, THE FIRST 10 DFE,
THE FIRST 3 LCE, THE FIRST 3 LFE, THE FIRST 5 NCE,
OR THE FIRST 5 LCS.