M320 Cabinet Size And Clearance Requirements; Figure 24: Typical Open-Frame Rack - Juniper M320 Hardware Manual

M320 Multiservice Edge Router Hardware Guide
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M320 Cabinet Size and Clearance Requirements

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Figure 24: Typical Open-Frame Rack

Always secure the rack to the structure of the building. If your geographical area is subject
to earthquakes, bolt the rack to the floor. For maximum stability, also secure the rack to
ceiling brackets.
M320 Clearance Requirements on page 91
M320 Installation Safety Guidelines on page 323
The minimum size enclosed cabinet that can accommodate the router is 600 mm wide
and 800 mm deep. A cabinet larger than the minimum requirement provides better
airflow and reduces the chance of overheating. To accommodate a single router, the
cabinet must be at least 20 U (35 in. or 88.9 cm) high. If you provide adequate cooling
air and airflow clearance, you can stack two routers in a cabinet that has at least 40 U
(70 in. or 1.78 m) of usable vertical space.
The minimum front and rear clearance requirements depend on the mounting
configuration you choose. The minimum total clearance inside the cabinet is 30.70 in.
between the inside of the front door and the inside of the rear door. If you choose a
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