
Overview 1-7
LEDs and Modes
System Status LED
The colors of the system status (SYSTEM) LED show that the switch is receiving power
and functioning properly (Table 1-2).
Redundant Power Supply LED
The colors of the redundant power system (RPS) LED show the status (Table 1-3) of a
connected Cisco RPS (model PWR600-AC-RPS). For more information about the RPS, see
the “Power Connectors” section on page 1-12.
Table 1-2 SYSTEM LED Description
Color System Status
Off Switch is not powered up.
Solid green Switch is operating normally.
Solid amber Switch is receiving power, but might not be functioning properly. One or more
power-on self-test (POST) errors occurred. The Management Console Logon
Screen message identifies which nonfatal test(s) failed.
Note If a fatal error occurs, the switch is not operational, and no message is
displayed. (See the “Powering Up and Using POST to Test the Switch” section
on page 2-6 and the “Understanding POST Failures” section on page 5-7.)
Table 1-3 RPS LED Description
Color RPS Status
Off RPS is off or is not installed.
Solid green RPS is operational.
Blinking green RPS and the switch AC power supply are both powered up.
Note This is not a recommended configuration. For more information, see the
“Power Connectors” section on page 1-12.
Solid amber RPS is connected, but is not functioning properly. One of the power supplies in
the RPS could be powered down, or a fan in the RPS could have failed.
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