Chapter 1
Product Overview
System LED
The System LED shows whether the system is receiving power and is functioning properly.
Table 1-2
Table 1-2
Color
Off
Green
Amber
Alternating
green and
amber
1. Applies only to the Catalyst 3750G-24WS-S25 and 3750G-24WS-S50 switches.
For information on the System LED colors during power-on self-test (POST), see the
Switch and Running POST" section on page
RPS LED
The RPS LED shows the RPS status.
is not used on the Catalyst 3750G-12S-SD switch.
Table 1-3
Color
Off
Green
Flashing green
Amber
Flashing amber
For more information about the Cisco RPS 675, see the Cisco RPS 675 Redundant Power System
Hardware Installation Guide.
OL-6336-06
lists the LED colors and their meanings.
System LED
System Status
System is not powered on.
System is operating normally.
System is receiving power but is not functioning properly.
Wireless controller is not functioning properly.
1
RPS LED
RPS Status
RPS is off or not properly connected.
RPS is connected and ready to provide back-up power, if required.
RPS is connected but is unavailable because it is providing power to another device
(redundancy has been allocated to a neighboring device).
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, the RPS fan could have
failed. Contact Cisco Systems.
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).
2-8.
Table 1-3
lists the LED colors and their meanings. The RPS LED
Catalyst 3750 Switch Hardware Installation Guide
10/100 and 10/100/1000 Ports
"Powering On the
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