Ups Transition Time; Dc Power Requirements; Applicable Industry Standards - Extreme Networks E4G Series Installation Manual

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UPS Transition Time

Transition time is the time that is necessary for the UPS to transfer from utility power to full-load

battery power. For Extreme Networks products, a transition time of less than 20 milliseconds is required

for optimum performance.

A DC-powered system should be installed in a DC-I battery return configuration. In a DC-I

configuration, the battery return conductor should be connected directly to the central office power

return bus, and not to the equipment frame or the grounding means of the equipment.

The E4G-200 can accept -48 or +24 volts for DC input.

For more information, see the following ANSI/TIA/EIA standards:

ANSI/TIA/EIA-568-A—discusses the six subsystems of a structured cabling system.

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ANSI/TIA/EIA-569-A—discusses design considerations.

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ANSI/TIA/EIA-606—discusses cabling system administration.

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ANSI/TIA/EIA-607—discusses commercial building grounding and bonding requirements.

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You can access these standards at:

http://www.ansi.org

http://www.tiaonline.org

E4G Series Routers Hardware Installation Guide

Applicable Industry Standards

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