Juniper Networks EX3200 Instrukcja Użytkownika Strona 111

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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 26 on page 85 provides the required environmental conditions for normal
switch operation.
Table 26: EX Series Switch Environmental Tolerances
ToleranceDescription
No performance degradation to 10,000 feet (3048 meters)Altitude
Normal operation ensured in relative humidity range of 10%
through 85%, noncondensing
Relative humidity
EX2200, EX3200, and EX4200 switches: Normal operation
ensured in temperature range of 32° F through 113° F (0° C
through 45° C)
EX8208 and EX8216 switches: Normal operation ensured in
temperature range of 32° F through 104° F (0° C through
40° C)
Temperature
Complies with Zone 4 earthquake requirements as per GR-63, Issue
3.
Seismic
NOTE: Install EX Series switches only in restricted areas, such as dedicated equipment
rooms and equipment closets, in accordance with Articles 11016, 11017, and
11018 of the National Electrical Code, ANSI/NFPA 70.
Related Topics Clearance Requirements for Airflow and Hardware Maintenance for EX2200
Switches
Clearance Requirements for Airflow and Hardware Maintenance for EX3200 and
EX4200 Switches on page 91
Clearance Requirements for Airflow and Hardware Maintenance for an EX8208
Switch
Environmental Requirements and Specifications for EX Series Switches 85
Chapter 4: Site Preparation
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