28
DC power supply fundamentals
Minimum number of 8005DC power supplies to install
To configure an Ethernet Routing Switch 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 8005DC power supply
rating.
To determine the minimum number of power supplies to install for the
Ethernet Routing Switch 8600 system, see
number of DC power supplies” (page 35)
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. Nortel recommends that you operate the
Ethernet Routing Switch 8600 system in a redundant configuration at all
times to ensure maximum network performance.
ATTENTION
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.
Power supply LED
Table 1 "Power supply LED" (page 28)
describes the power supply LED on
the DC power supply.
Table 1
Power supply LED
State
Description
Off
No output is present
On (green)
Power supply output is normal
Power management
Ethernet Routing Switch 8600 Release 5.0 offers improved power
management. Power management identifies the available power in the
chassis, called the power budget, and determines if sufficient power is
available to operate the installed components.
Nortel Ethernet Routing Switch 8600
Installation — DC Power Supply
NN46205-307
02.02
19 December 2008
Copyright © 2008 Nortel Networks
.
Summary of Contents for 8004DC
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