Cisco Systems Cisco ME 3400E Manual De Usuario
3-17
Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide
OL-16447-01
Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules
Power Supply Settings
Power Supply Settings
•
Use the no power-supply global configuration command (the default) when installing one
power-supply module. The switch does not send an alarm when the second power-supply module is
missing.
power-supply module. The switch does not send an alarm when the second power-supply module is
missing.
•
Use the power-supply dual global configuration command when installing two power-supply
modules. When both are operating properly, all applicable LEDs are green, and the switch does not
send an alarm. If a power-supply module is missing, the switch sends an alarm. An error message
appears and the appropriate power-supply LED turns red.
modules. When both are operating properly, all applicable LEDs are green, and the switch does not
send an alarm. If a power-supply module is missing, the switch sends an alarm. An error message
appears and the appropriate power-supply LED turns red.
•
Use the power-supply dual dc-feed global configuration command when two DC-input feeds are
connected to the DC-power source. When both are operating properly, all the applicable LEDs are
green and the switch does not send an alarm. If only one DC-input feed is connected, and there is at
least one DC-power-supply module installed, the switch sends an alarm. An error message appears
and the DC-power-supply LED for the missing DC-input feed turns amber. The LED for the
connected DC-input feed turns green.
connected to the DC-power source. When both are operating properly, all the applicable LEDs are
green and the switch does not send an alarm. If only one DC-input feed is connected, and there is at
least one DC-power-supply module installed, the switch sends an alarm. An error message appears
and the DC-power-supply LED for the missing DC-input feed turns amber. The LED for the
connected DC-input feed turns green.
•
Use the no power-supply dual dc-feed global configuration command when only one DC-input
feed is connected. The switch does not send an alarm when the second DC-input feed is not
connected.
feed is connected. The switch does not send an alarm when the second DC-input feed is not
connected.
See the switch software configuration guide and switch command reference for more details on these
settings.
settings.