Juniper Day One+ MX304 Manual page 4

3. (Optional) Install the cable management brackets on each side of the front of the chassis. Secure each bracket with
screws at the bottom and top of the bracket as shown:
4. Position the router in front of the four-post rack or the cabinet.
5. With one person holding on to each side of the chassis, carefully lift the bottom of the chassis so that rack mounting
brackets (with optional cable management brackets) contact the rack rails.
6. Attach the chassis to the front of the rack as shown:
7. On the rear of the chassis, slide the rear-mounting brackets on both sides of the chassis until they contact the rack
rails. Insert the rack mounting screws through the mounting brackets and mounting holes on the rack and tighten
them. Be sure to tighten the screws in the two bottom holes first, and then tighten the screws in the top two holes.
4