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Chapter 2: Site Preparation
NOTE
Extreme Networks recommends that you consult an electrical contractor for commercial building and
wiring specifications.
Temperature
It is important to keep installed equipment within the thermal operating specifications for optimum
performance and safety.
Install the E4G-400 Cell Site Aggregation Router only in a temperature-controlled and
humidity-controlled indoor area that is free of airborne materials that can conduct electricity. Too much
humidity can cause a fire. Too little humidity can produce electrical shock and fire.
Follow these general thermal recommendations for the location of your equipment:
Be sure that the ventilation in the installation site is adequate to maintain a temperature below 50° C
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(113° F) for the E4G-400 router or below 65° C (149° F) for the E4G-200 router.
Install a reliable air conditioning and ventilation system for indoor locations.
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Keep the ventilation in wiring closets running during non-business hours to prevent overheating of
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the equipment.
Maintain an ambient operating temperature range of -10° to 50° C (14° to 122° F) for the E4G-400
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router or a range of -45° to 65° C (-49° to 149° F) for the E4G-200 router.
Maintain a storage temperature of -40° to 70° C (-40° to 158° F).
●
NOTE
As with all electrical equipment, Extreme Networks product lifetimes degrade with increased temperature.
If possible, temperatures should be kept at approximately 78° F (25° C) or lower.
Humidity
To maximize equipment life, keep operating humidity between 50% and 70% relative humidity
(non-condensing) during typical operation. The equipment can operate between 10% and 95% relative
humidity (non-condensing) for short intervals.
Spacing Requirements and Airflow
Be sure that cables and other equipment do not block the air intake or outflow on an Extreme Networks
router. It is best to have at least 3 inches (8 cm) of clear space in front of the air intake and outflow vents
on the sides of the router; airflow moves from side to side. For proper airflow through an E4G series
router, leave clear space on the left and right sides of the router.
Depending on other conditions in the equipment room, it may be possible to install the routers closer to
each other; consult your Extreme Networks Customer Support representative for guidance.
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E4G Series Routers Hardware Installation Guide
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