BlackDiamond 8800 Series Switches Hardware Installation Guide
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Installing Power Supply Units
For the ratings and power requirements of each power supply unit, see Appendix B, “Technical
Specifications” or the data sheet for the power supply at http://www.extremenetworks.com.
Be sure that the requirements listed in this section are satisfied when installing all Extreme Networks
power supplies.
When you install any power supply:
● Do not use excessive force when you insert a power supply into the bay.
● Do not attempt to open the power supply enclosure for any reason; the power supply does not
contain user-serviceable parts. In the event of failure, return the defective power supply to Extreme
Networks for repair or replacement.
● Do not put your hand into an open power supply bay when a power supply is not present.
When you install AC power supplies:
● Plug power supplies only into properly grounded electrical outlets to help prevent electrical shock
and comply with international safety standards.
● Use only power cords that are certified for use within the country of use. Do not attempt to modify
AC power cords.
● Make sure the wall outlet is installed near the equipment and is easily accessible for quick
disconnect.
● Make sure the voltage and frequency of your power outlet match the system electrical ratings for the
equipment. The building and/or power source must provide overload protection.
● Use a surge suppressor, line conditioner, or uninterruptible power supply to protect the system from
momentary increases or decreases in electrical power.
● When you install multiple power supplies, connect each power supply to a different, independent
over-current protection device, such as a circuit breaker. If a single power source fails, it will affect
only that power supply to which it is connected.
● Extreme Networks AC power supplies do not have switches for turning the unit on and off. Remove
all wall plugs from the electrical outlet to disconnect the power. Make sure that these connections are
easily accessible.
When you install DC power supplies:
● Wiring the DC power cord to your facility DC source voltage must be performed by a qualified,
licensed electrician.
● Extreme Networks DC power supplies do not have switches for turning the unit on and off. Make
sure that the DC circuit is de-energized before connecting or disconnecting the DC power cord at the
DC power socket on the Extreme Networks DC power supply.
● Do not connect a DC power supply to the DC source power when the power supply is not installed
in the chassis; doing so would expose a hazardous energy and poses a potential shock and fire
hazard.
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