Power Management; Power Management For The Catalyst 4948 Switches - Cisco 4500M Software Manual

Chapter 7 Environmental Monitoring and Power Management
Table 7-2 Alarms for Supervisor Engine and Switching Modules
Event
1
Supervisor engine temperature sensor
2
exceeds major threshold
Supervisor fails power on self-test
(POST)
Chassis fan tray fails
Supervisor engine temperature sensor
exceeds minor threshold
No problems
1. The Supervisor is not a distinct module on the Catalyst 4948 switch as it is on Catalyst 4500 series switches. See the Catalyst 4948 Installation Guide
for LED behavior on the Catalyst 4948 switch.
2. Temperature sensors monitor key supervisor engine components, including daughter cards.

Power Management

This section describes the power management feature in the Catalyst 4500 series switches and the
Catalyst 4006 switch, and it includes the following major sections:
•
•
•
•
•

Power Management for the Catalyst 4948 Switches

You can select from AC or DC power supplies to ensure that you have enough power for your switch.
The Catalyst 4948 switches support the following power supplies:
OL-6696-01
Alarm Supervisor LED
Type Color
Major Red
Major Red
Major Red
Minor Orange
None Green
Power Management for the Catalyst 4948 Switches, page 7-3
Power Management for the Catalyst 4500 Series Switches, page 7-4
Power Management for the Catalyst 4006 Switch, page 7-12
Power Consumption of Chassis Components, page 7-15
Powering Down a Module, page 7-15
300 W AC
–
300 W DC
–
Description and Action
Syslog message.
If the over-temperature condition is not corrected,
the system shuts down after 5 min.
Alarm threshold:
Chassis critical temperature threshold = 95°C
•
Syslog message.
The supervisor fails to come up.
If not corrected, the system shuts down in 5 minutes.
Syslog message.
Monitor the condition.
Alarm threshold:
• Chassis over temperature threshold = 75°C
Software Configuration Guide—Release 12.2(25)EW
Power Management
7-3