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Catalyst 3750 Switch Hardware Installation Guide
OL-6336-10
Chapter 1 Product Overview
10/100 and 10/100/1000 Ports
RPS LED
The RPS LED shows the RPS status. Table 1-2 lists the LED colors and their meanings. The RPS LED
is not used on the Catalyst 3750G-12S-SD switch.
For more information about the Cisco RPS 2300, see the Cisco Redundant Power System 2300 Hardware
Installation Guide. For more information about the Cisco RPS 675, see the Cisco RPS 675 Redundant
Power System Hardware Installation Guide. These guides are available on Cisco.com.
Master LED
The Master LED shows the stack master status. Table 1-2 lists the LED colors and their meanings.
Table 1-2 RPS LED
Color RPS Status
Off RPS is off or not properly connected.
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).
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, 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).
Table 1-3 Master LED
Port Mode 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 a stack error.
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