Installing the M40e Mounting Hardware for an Open-Frame Rack

Installing Cage Nuts, If Needed

Install cage nuts, if needed:

1. On each front rack rail, install a cage nut 0.88 in. (2.2 cm) up from the bottom of a U division.
2. Insert a cage nut behind each hole where you plan to install the flanges of the mounting shelf.

Installing the Mounting Shelf in an Open-Frame Rack

To install the mounting shelf in an open-frame rack:

1. On the front of each front rack rail, partially insert a mounting screw 0.88 in. (2.2 cm) up from the bottom of a U division.
2. Install the shelf on the front rack rails. Rest the bottom slot of each flange on one of the mounting screws.
3. Partially insert a mounting screw into the top hole in each flange of the shelf.
4. Tighten all the screws completely.

Removing the Center-Mounting Brackets

If you plan to front-mount the router, remove the center-mounting brackets.

To remove the center-mounting brackets:

1. Loosen the screws at the top and bottom of each bracket.
2. Remove the brackets from both sides of the chassis.