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DC power supply fundamentals
Figure 1: 8004DC power supply
Minimum number of 8004DC power supplies to install
To configure an Ethernet Routing Switch 8800/8600 system, consider the total power
consumption to ensure proper system performance.
The total input power-consumption of the components (modules and fan trays or cooling
modules) must not exceed the output power rating of the 8004DC power supply (850 W).
To determine the minimum number of power supplies to install for the Ethernet Routing Switch
8800/8600 system, see
page 34.
Redundant power configuration
If a chassis has a redundant power configuration and one power supply fails, the chassis
continues to operate with no interruption of service. The chassis continues to supply the same
module output power with the remaining power supplies. A trap and syslog message indicates
that the configuration is non-redundant. Avaya recommends that you operate the Ethernet
Routing Switch 8800/8600 system in a redundant configuration at all times to ensure maximum
network performance.
Important:
A redundant power supply prevents the failure of another power supply in the system.
If a chassis has the minimum power supply configuration and one power supply fails, the
system loses power and network connectivity.
24
Installation — DC Power Supply
Determining the minimum number of DC power supplies
Comments? infodev@avaya.com
on
September 2012
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