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Environmental Requirements and Specifications for EX Series Switches

The switch must be installed in a rack or cabinet housed in a dry, clean, well-ventilated, and temperature-controlled environment.

Ensure that these environmental guidelines are followed:

The site must be as dust-free as possible, because dust can clog air intake vents and filters, reducing the efficiency of the switch cooling system.
Maintain ambient airflow for normal switch operation. If the airflow is blocked or restricted, or if the intake air is too warm, the switch might overheat, leading to the switch temperature monitor shutting down the switch to protect the hardware components.

Table 1 provides the required environmental conditions for normal switch operation.

Table 1: EX Series Switch Environmental Tolerances

Description	Tolerance
Altitude	No performance degradation to 10,000 feet (3048 meters)
Relative humidity	Normal operation ensured in relative humidity range of 10% through 85%, noncondensing
Temperature	EX2200 (except EX2200-C models), EX3200, EX3300, EX4200, and EX4500 switches: Normal operation ensured in temperature range of 32° F through 113° F (0° C through 45° C) EX2200-C switches: At temperature range of 32° F through 104° F (0° C through 40° C) and at altitudes up to 5,000 ft (1,524 m), normal operation is ensured. At temperature ranges beyond 104° F through 113° F (40° C up to 45° C) at altitudes up to 5,000 ft (1,524 m), extended temperature range SFPs should be used when fiber uplinks are used. At temperature ranges beyond 95° F through 113° F (35° C up to 45° C) and at altitudes beyond 5,000 ft (1,524 m) up to 10,000 ft (3,048 m), extended temperature range SFPs should be used when fiber uplinks are used. EX6210, EX8208, and EX8216 switches: Normal operation ensured in temperature range of 32° F through 104° F (0° C through 40° C) XRE200 External Routing Engines: Normal operation ensured in temperature range of 41° F through 104° F (5° C through 40° C)
Seismic	Complies with Zone 4 earthquake requirements as per GR-63, Issue 3.

Note: Install EX Series switches only in restricted areas, such as dedicated equipment rooms and equipment closets, in accordance with Articles 110–16, 110–17, and 110–18 of the National Electrical Code, ANSI/NFPA 70.

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Published: 2011-09-15