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Catalyst 3750-E and Catalyst 3560-E Switch Hardware Installation Guide
OL-9774-04
Chapter 1 Product Overview
Front Panel Description
RPS LED
The RPS LED shows the RPS 2300 status. Table 1-4 lists the LED colors and their meanings. (Only 24-
and 48-port switches.)
For more information about the RPS 2300, see the Cisco RPS 2300 Redundant Power System Hardware
Installation Guide on Cisco.com at this location:
http://www.cisco.com/en/US/docs/switches/power_supplies/rps2300/hardware/installation/guide/2300
hig.html
Master LED
The Master LED shows the stack master status. Table 1-5 lists the LED colors and their meanings. (Only
Catalyst 3750-E switches.)
Power Supply LEDs
The Power Supply LEDs (PS1 and PS2) show the power supply status. Table 1-6 lists the LED colors
and their meanings. (Only Catalyst 3560E-12D and 3560E-12SD switches.)
Ta b l e 1-4 RPS LED
Color RPS Status
Off RPS is off or not properly connected.
Green RPS is connected and ready to provide back-up power.
Blinking green RPS is connected but is unavailable because it is providing power to another device
(redundancy has been allocated to a neighboring device).
Amber The RPS is in standby mode or in a fault condition. See the RPS 2300
documentation for more information about the standby mode and fault conditions.
Blinking amber The power supply in a switch has failed, and the RPS is providing power to that
switch (redundancy has been allocated to this device).
Ta b l e 1-5 Master LED
Color Description
Off Switch is not the stack master.
Green Switch is the stack master or a standalone switch.
Amber An error occurred when the switch was selecting the stack master
switch or another type of stack error occurred.
Ta b l e 1-6 Power Supply LEDs
Color Description
Off No input power.
Green Input power present.
Amber Fault detected, or the on/off switch is set to off when the power
supply is plugged in.
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