1
System status LEDs
Table 9. System status LEDs
LED
Condition
Status
PS1
PS2
(Power Supply
Status)
Green
Power supply is operating normally.
Amber
Power supply fault.
Off
Power off or failure.
Diag
(Diagnostic)
Flashing Green
System self-diagnostic test in progress.
Green
System self-diagnostic test successfully completed.
Amber
System self-diagnostic test has detected a fault.
(Blower, thermal or any interface fault.)
A or S
(Active or
Standby)
Green
“A” green device is the active controller for the stack.
“S” green device is the standby controller for the
stack.
Flashing Green
Flashing device is the active controller for the stack,
system is initializing.
Amber
Device is operating as a stack member in the stack.
Flashing Amber
System is in active controller arbitration or election
state.
Off
System in standalone mode.
Up Link or
Down Link
(Stacking
uplink or
downlink port
status)
Green
Uplink operating normally.
Off
Uplink has failed or no link.
Stack ID (1-8)
Green
Indicates the device stack ID.
nety015
Slot 3
1
Figure 11. System status LEDs
1
nety016
Figure 12. Power status LEDs
Chapter 1. Product overview
9
Summary of Contents for 4002-Y2A
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