Nortel 4526FX, Руководство по установке

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20 Installing the Nortel Ethernet Routing Switch
Environmental
requirement Nortel Ethernet Routing Switch 4500 Series
All models
Storage Relative
Humidity 10 to 90 percent non-condensing
Maximum Operating
Altitude 10 000 feet above sea level
Altitude 0 to 10 000 feet above sea level
Storage Altitude -1 000 to 40 000 feet above sea level
Acoustic Noise Less than or equal to 45 db typical (measurement
methods based on ISO 7779)
Miscellaneous
Operating
Considerations • No heat sources such as hot air vents or direct
sunlight near the switch.
• No sources of severe electromagnetic interference
near the switch.
• No excessive dust in the environment.
• An adequate power source is within 6 feet (1.83
meters) of the switch. One 15-amp circuit is
required for each power supply.
•
At least 2 inches (5.08 centimeters) of clearance
on each side of the switch unit for ventilation.
•
Adequate clearance at the front and rear of the
switch for access to cables.
WARNING
To avoid bodily injury from hazardous electrical shock and
current, never remove the top of the device. No user-serviceable
components are inside. For a translation of this statement, see
"Translations of safety messages" (page 65) .
Package contents
"Nortel Ethernet Routing Switch 4500 Series package contents" (page
21)
illustrates the components that are provided with each switch in the
4500 Series. If any components are missing, contact the switch vendor.
Nortel Ethernet Routing Switch 4500 Series
Installation Guide
NN47205-300 (322811-B) 03.01 Standard
5.1 19 November 2007
Copyright © 2007, Nortel Networks
.