Installation guide
Description of Hardware
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Figure 1-3 System LEDs
Table 1-3 System Status LEDs
LED Condition Status
Power Green Internal power is operating normally.
Amber Internal power supply failure.
Off Power off or failure.
Diag Flashing Green System self-diagnostic test in progress.
Green System self-diagnostic test successfully completed.
Amber System self-diagnostic test has detected a fault.
RPS Green Redundant power supply is receiving power.
Amber Fault in redundant power supply, including thermal or fan failure.
Off Redundant power supply is off or not plugged in.
Stack Master Green Switch is the Master unit of the stack. State may include topology
discovery, IP assignment, or normal operations.
Flashing Green Switch is the Master unit of the stack, system is initializing.
Amber Switch is operating as a Slave unit in the stack.
Flashing Amber System in Master arbitration/election state.
Off System in standalone mode.
Stack Link Green Uplink and downlink operating normally.
Flashing Green Uplink has failed.
Flashing Amber Downlink has failed.
Off No stacking link present.
Module Green An expansion module is installed and operating normally.
Amber An expansion module is installed but has failed.
Off There is no module installed.
System Status LEDs