Table 48: Cabinet Requirements and Specicaons
(Connued)
Cabinet Requirement Guidelines
Cabinet clearance
• The outer edges of the front mounng brackets extend the width of the
chassis to 19 in. (48.2 cm).
• The minimum total clearance inside the cabinet is 30.7 in. (78 cm)
between the inside of the front door and the inside of the rear door.
Cabinet airow requirements When you mount the device in a cabinet, ensure that venlaon through
the cabinet is sucient to prevent overheang, as follows:
• Ensure adequate cool air supply to dissipate the thermal output of the
device or devices.
• Ensure that the hot air exhaust of the chassis exits the cabinet without
recirculang into the device. An open cabinet (without a top or doors)
that employs hot air exhaust extracon from the top ensures the best
airî™™ow through the chassis. If the cabinet contains a top or doors,
perforaons in these elements assist with removing the hot air exhaust.
•
Install the device in the cabinet in a way that maximizes the open space
on the side of the chassis that has the hot air exhaust.
•
Route and secure all cables to minimize the blockage of airî™™ow to and
from the chassis.
•
Ensure that the spacing of rails and adjacent cabinets is such that proper
clearance exists around the device and cabinet.
• A cabinet larger than the minimum required provides beer airow and
reduces the chance of overheang.
Grounding Cable and Lug Specicaons for EX9200 Switches
IN THIS SECTION
Grounding Points Specicaons for an EX9200 Switch | 135
134
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