Rodos Contemporary M1603/216N

Active - Used most commonly on the primary functioning door. Cylinder holes on interior and exterior both. Includes lock cylinder with thumb turn and key set.
Inactive - Used on an inactive panel. Cylinder hole on the interior only. Includes half lock cylinder with thumb turn only.
Dummy - Handle levers are in a fixed position and will not move. No cylinder hole in either backplate.

Active Handleset with Keyed Thumbturn
Inactive Handleset with Non-Keyed Thumbturn
Paired Dummy Handles with Fixed Levers