Juniper EX4400 - Page 163

6. Insert the at head 4x6-mm Phillips screws to aach the recessed-mounng bracket assembly into
the aligned holes on the chassis provided with the four-post rack mount kit (see Figure 93 on page
155). Tighten the screws.
Figure 93: Aach the Recessed-Mounng Bracket Assembly to the Switch
7. Decide which end of the switch you want to place at the front of the rack. Posion the switch so
that the AIR IN labels on the fan modules are next to the cold aisle and the AIR OUT labels on the
fan modules are next to the hot aisle.
8. Have one person grasp both sides of the switch, li the switch, and posion it in the rack, aligning
the holes of the mounng brackets with the threaded holes in the front post of the rack. Align the
boom hole in both the mounng brackets with a hole in each rack rail, making sure that the
chassis is level.
9. Have a second person secure the mounng brackets to the rack by using four screws appropriate
for your rack. Tighten the screws (see Figure 94 on page 155).
Figure 94: Secure the Switch to the Front Posts of a Rack
10. Slide the rear mounng bracket blades into the side rails of the recessed-mounng bracket
assembly aached to the switch chassis (see Figure 95 on page 156).
11. Ensure that the chassis is level. Align the holes of the rear mounng brackets with the threaded
holes in the rear post of the rack. Align the boom hole in both the mounng brackets with a hole
in each rack rail. Align the boom hole in both the rear mounng brackets with the boom hole in
the front mounng brackets.
155