Ensure that you have the following parts and tools available to install the mounting hardware:
•
A Phillips (+) screwdriver, number 1, 2, or 3, depending on the size of your rack screws
•
A Phillips (+) screwdriver, number 2, to install the screws that connect the rear and base brackets
•
12 Phillips flat-head screws (provided)
•
14 rack screws appropriate for your rack to attach the mounting hardware to the rack (not provided)
When you install the base and rear brackets, the adjustable portion of the brackets overlap. Use the overlap
area to adjust the total bracket length to fit any of the four standard rack sizes: 19 in. (483 mm), 23.62 in.
(600 mm), 30 in. (762 mm), or 31.5 in. (800 mm).
To install the mounting hardware in a four-post rack:
1. Remove the mounting brackets from the rack mount kit box.
2. Decide where to place the chassis in the rack. If the rack is empty, mount the router in the lowest
possible location. See “MX10008 Rack Requirements” on page 96 for the router being installed.
3. Position the left base bracket at the desired position in the left side of the rack and line up its front
screw holes with the holes in the rack. Use four mounting screws appropriate for your rack to attach
the left base bracket to the rack.
4. Position one of the rear brackets at the left rear of the rack on the same level as the left base bracket,
so that the rear bracket overlaps with the left bracket. The screw holes for connecting the base and
rear brackets should overlap. Use four mounting screws appropriate for your rack to attach the rear
bracket to the rack.
5. Connect left base bracket and rear brackets (see Figure 51 on page 142):
a. Insert six of the flat-head screws provided with the mounting brackets into the overlapping bracket
holes.
b. Tighten the screws fully (to 12–16 in.-lb torque) using a number 2 Phillips screwdriver.
141
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