Chapter 3
| Switch Chassis
How to Install the Switch in a Rack
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The ECS4620-28T and ECS4620-28T-DC use a fanless cooling design. The following
figure shows the convective airflow from the switch.
Figure 10: Switch Cooling (ECS4620-28T/ECS4620-28T-DC)
Rack Cooling When mounting the switch in an enclosed rack or cabinet, be sure to check the
following guidelines to prevent overheating:
â—† Make sure that enough cool air can flow into the enclosure for the equipment it
contains.
â—† Check that the rack or cabinet allows the hot air to exit the enclosure (normally
from the top) without circulating back into equipment.
â—† If the enclosure has sides or doors with ventilation holes, make sure they are
not blocked by cables or other obstructions.
â—† Route cables within the rack or cabinet to maximize the airflow.
â—† When possible, do not completely fill the rack or cabinet with equipment, allow
some unused space within the enclosure for better airflow.
How to Install the Switch in a Rack
When rack mounting the switch, pay particular attention to the following factors:
â—†
Rack Types:
You can use any standard EIA 19-inch equipment rack with either
two or four posts. The bracket hole pattern should be spaced 1U (1.75 in. or
4.45 cm) apart.
â—†
Rack Stability:
Whenever possible, secure the rack to the building ceiling or
floor, particularly if you are located in a region where earthquakes are common.
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