Cisco Catalyst 3550

Chapter 1 Product Overview
Front-Panel Description
1-6
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-01
System LED
The System LED shows whether the system is receiving power and is functioning
properly. Table 1-2 lists the LED colors and their meanings.
For information on the System LED colors during POST, see the “Powering On
the Switch and Running POST” section on page 2-17.
RPS LED
The RPS LED shows the RPS status. Table 1-3 lists the LED colors and their
meanings.
Table 1-2 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 1-3 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.
Flashing green RPS is connected but is unavailable because it is providing power to another device
(redundancy has been allocated to a neighboring device).
Solid amber The RPS is in standby mode or in a fault condition. Press the Standby/Active button
on the RPS, and the LED should turn green. If it does not, one of these two
conditions could exist:
• One of the RPS power supplies could be down. Contact Cisco Systems.
• The RPS fan could have failed. Contact Cisco Systems.
Flashing amber The internal power supply in a switch has failed, and the RPS is providing power
to the switch (redundancy has been allocated to this device).