Extreme Networks BlackDiamond 10808 Installation Manual page 170

Ensure that the following requirements are met with Extreme Networks 700/1200 W AC PSU(s):
Disconnect all power before removing the back panel of any Extreme Networks switch.
The unit must be grounded. Do not connect the power supply unit to an AC outlet without a ground
connection.
The unit must be connected to a grounded outlet to comply with European safety standards.
This equipment can be connected between buildings if one of the following requirements are met:
Cable runs less then 140ft between buildings
Cable runs between buildings are directly buried.
Cable runs between buildings are in an underground conduit, where a continuous metallic cable
shield or a continuous metallic conduit containing the cable is bonded to each building grounding
electrode system.
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