B-21
Cisco AS5400 Universal Gateway Chassis Installation Guide
OL-2847-02 0A
Appendix B Replacing the Power Supply
Verifying the Status of the Redundant Power Supply
Note
You can order a Y-connector (CAB-AC-Y) to plug into both power connectors in
the power supply. If you use this Y-connector, you remove the backup feature of
this power supply by eliminating redundant operations and reducing reliability.
Cisco highly recommends that you use both power cords whenever possible.
Step 8
Power ON the universal gateway.
The internal power supply fan should power on. If you are using a redundant power supply, the six green
LEDs on the front of the power supply should light. If one LED is not lit, consult the appropriate
redundant power supply software message to determine where the problem is located.
Verifying the Status of the Redundant Power Supply
To display the current status of the Redundant Power Supply unit, enter the
show environment
command.
5400#
show environment
Power Supply:
Redundant Power System is present.
RPS Input Voltage status: normal
RPS Output Voltage status: normal
RPS Fan status: normal
RPS Thermal status: normal
RPS OverVoltage status: normal
Board Temperature:
normal
Configuring the Power Supply Alarm
Cisco IOS software can be configured to poll every second to detect the failure of the redundant power
supply. By default, the facility alarm is off. To begin monitoring of the redundant power supply, enter
the
facility-alarm detect
command.
Enter the no version of the command to disable the alarm.
To configure alarm support for the redundant power supply, follow these steps:
Step
Command
Purpose
Step 1
Router>
enable
Password: password
Router#
Enter enable mode and enter the password.
You have entered enable mode when the prompt
changes to
Router#
.