Installation guide

2-9
Catalyst 3550 Multilayer Switch Hardware Installation Guide
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Chapter 2 Product Overview
Front-Panel Description
LEDs
You can use the switch LEDs to monitor switch activity and its performance.
Figure 2-3 shows the LEDs and the Mode button that you use to select one of the
port modes.
All of the LEDs described in this section except the utilization meter (UTIL) are
visible on the CMS home page. The Catalyst 3550 Multilayer Switch Software
Configuration Guide describes how to use CMS to configure and monitor
individual switches and switch clusters.
System LED
The system LED shows whether the system is receiving power and is functioning
properly. Table 2-2 lists the LED colors and their meanings.
RPS LED
The RPS LED shows the RPS status. Table 2-3 lists the LED colors and their
meanings.
Table 2-2 System LED
Color System Status
Off System is not powered on.
Green System is operating normally.
Amber System is receiving power but is not functioning properly.
Table 2-3 RPS LED
Color RPS Status
Off RPS is off or not properly connected.
Solid green RPS is connected and ready to provide back-up power, if required.
Blinking green RPS is connected but is unavailable because it is providing power to another device
(redundancy has been allocated to a neighboring device).