Installation guide

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Catalyst 2950 Switch Hardware Installation Guide
OL-6156-01
Chapter 1 Overview
Front-Panel Description
System LED
The system LED shows whether the system is receiving power and functioning properly. Table 1-3 lists
the LED colors and meanings.
For information about the system LED colors during the power-on self-test (POST), see the “Connecting
to a Power Source” section on page D-5.
RPS LED
The RPS LED shows the RPS status. Table 1-4 lists the LED colors and meanings.
For more information about the Cisco RPS 300, see the Cisco RPS 300 Redundant Power System
Hardware Installation Guide.
For more information about the Cisco RPS 675, see the Cisco RPS 675 Redundant Power System
Hardware Installation Guide.
Port Mode and Port Status LEDs
To select or change the port mode, press the Mode button (see Figure 1-15 to Figure 1-18) to highlight
the mode that you want. Release the button to enable the highlighted mode.
Each port has a port status LED, also called a port LED. These LEDs, as a group or individually, display
information about the switch and the individual ports. The port modes (see Table 1-5) determine the type
of information displayed.
Table 1-3 System LED
Color System Status
Off System is not powered up.
Green System is operating normally.
Amber System is receiving power but is not functioning properly.
Table 1-4 RPS LED
Color RPS Status
Off RPS is off or is not installed.
Solid green RPS is connected and ready to provide back-up power.
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 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, 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).