NEC Express5800/R120b-1 User Manual page 80

4.
Unlock the rail assembly.
Unlock the rail assembly by applying force to the tool in the direction shown by an arrow.
Viewed from front
5.
While the rail assembly is being unlocked, remove it from the rack.
6.
Insert the tool into the angle hole at the rear of rail assembly to unlock it.
Rotate the tool as shown in the figure below to unlock the rail assembly.
Angle hole
7.
While the rail assembly is being unlocked, remove it from the rack.
Viewed from front
Setting Up Your Server 3-17
Locking spring
Viewed from top
Viewed from side