Juniper Networks EX2200 사용자 설명서
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.
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.
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 17 on page 37 provides the required environmental conditions for normal switch
operation.
operation.
Table 17: EX Series Switch Environmental Tolerances
Tolerance
Description
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, EX4200, and EX4500 switches: Normal operation ensured in temperature range of 32° F
through 113° F (0° C through 45° C)
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)
through 40° C)
•
XRE200 External Routing Engines: Normal operation ensured in temperature range of 41° F through 104° F
(5° C through 40° C)
(5° 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 110–16,
110–17, and 110–18 of the National Electrical Code, ANSI/NFPA 70.
equipment rooms and equipment closets, in accordance with Articles 110–16,
110–17, and 110–18 of the National Electrical Code, ANSI/NFPA 70.
Related
Documentation
•
•
Clearance Requirements for Airflow and Hardware Maintenance for EX3200 Switches
•
Clearance Requirements for Airflow and Hardware Maintenance for EX4200 Switches
•
Clearance Requirements for Airflow and Hardware Maintenance for EX4500 Switches
•
Clearance Requirements for Airflow and Hardware Maintenance for an EX8208 Switch
•
Clearance Requirements for Airflow and Hardware Maintenance for an EX8216 Switch
37
Copyright © 2010, Juniper Networks, Inc.
Chapter 4: Site Preparation