E-series Hardware Guide
26 ! Environmental Requirements
Environmental Requirements
Refer to Chapter 11, System Specifications for complete environmental
specifications.
Choose a location for the router that is dry, relatively dust free, well ventilated, and
air conditioned. If you install equipment in a rack, be sure that the floor is capable
of supporting the combined weight of the rack and the installed equipment. Place
the router in a location with sufficient access to power and network cables.
Like other network devices, the router generates a significant amount of heat. It is
important to provide a balanced environment so that the router performs properly
and safely. See Chapter 11, System Specifications for acceptable ranges of
temperature and humidity.
Be sure to allow enough space around the router for adequate ventilation.
Inadequate ventilation can cause the system to overheat.
Regulatory Compliances
Refer to Chapter 11, System Specifications, for a complete list of regulatory
compliance requirements, including safety, EMC, and telecommunications.
Safety Guidelines
For your safety, before installing the system, review all safety warnings in this
section.
CAUTION: Do not block the air vents on E-series routers. Otherwise, the router may
overheat.
WARNING: The recommended maximum ambient temperature is 50° C (122° F).
The internal temperature of the rack should be considered for safe operation.
WARNING: Install equipment in the rack from the bottom upward. This will
maintain the stability of the rack and reduce the chance that the rack will tip over.
WARNING: Three people are required to install the E-series router in a rack: two to
lift the system into position and one to screw it to the rack.
WARNING: Connect the E-series router or rack to ground (earth), and ensure that a
reliable grounding path is maintained in the rack.
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