Toshiba Magnia 3310 - Manual (Page 13)

Step 4: Installing the cage nut for front panel
1. Install the cage nut on the hole apart by "1U" from the top on the right and
left rack angles.
Cage nut
1U
Figure 1-15 Installing the cage nut
Step 5: Installing the rails and the front panel to the server
1. Fix the right and left rails to the server with four screws (M4x8) each
according to the following.
Install the right and left rails on the server. While pulling the rail in the
direction (1) and pressing in the direction (2), fix the rails securely.