Safety Information
Considerations Before Installing on page 91
General Safety Precautions on page 92
Maintenance Safety on page 93
Fiber Optic Ports and Optical Safety on page 93
Cable Routing for LAN Systems on page 94
Install Power Supply Units and Connect Power on page 94
Select Power Supply Cords on page 95
Battery Notice on page 96
Battery Warning - Taiwan on page 96
Warning
Read the following safety information thoroughly before installing Extreme
Networks products. Failure to follow this safety information can lead to
personal injury or damage to the equipment.
Only trained and qualied service personnel (as dened in IEC 60950-1 and AS/NZS
3260) should install, replace, or perform service to Extreme Networks switches and their
components. Qualied personnel have read all related installation manuals, have the
technical training and experience necessary to be aware of the hazards to which they
are exposed in performing a task, and are aware of measures to minimize the danger to
themselves or other persons.
If you are located in the United States, install the system in accordance with the U.S.
National Electrical Code (NEC).
Considerations Before Installing
Consider the following items before you install equipment.
• For equipment designed to operate in a typical Telco environment that is
environmentally controlled, choose a site that has the following characteristics:
◦ Temperature-controlled and humidity-controlled, such that the maximum
ambient room temperature shall not exceed 45°C (113ºF).
◦ Clean and free from airborne materials that can conduct electricity.
◦ Well ventilated and away from sources of heat including direct sunlight.
Extreme 7720 Hardware Installation Guide 91
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