Dell PowerEdge R6625 Installation And Service Manual page 193

Figure 180. Installing the system in Drop-in sliding rails
Stab-in design means that the inner (chassis) rail members must first be attached to the sides of the system and then inserted
into the outer (cabinet) members installed in the rack. For a 2U systems, this is a two person lift.
Installing system into the rack (option A: Drop-In)
1. Pull the inner rails out of the rack until they lock into place.
Figure 181. Pull out inner rail
Installation 193