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Service LEDs
22
NE1064TO Installation Guide
The service LEDs are located on the front side of the switch, as part of the
management panel. They indicated the status of various switch hardware
components.
Figure 9. NE1064TO Front Side Panel Service LEDs
Service Required Status
Fan Status
Power Supply Status
The status LEDs for the front panel are described in the following table:
Table 3.
Front side panel status LEDs behavior
LED
State
Service Required
Steady blue
Flashing blue
Light off
Power Supply
Steady green
Flashing green
(once per second)
Flashing green
(twice per second)
Light off
Stacking Status
Functional Meaning
Stack backup/member, or
Operations command
Single power supply failure, or
AC cable unplugged from a PSU, or
Fan failure, or
Stack error
Power supply normal operation, or
Fans normal operation, or
Stack master, or
Non-stack member, or
AC cables unplugged or damaged on
all PSUs
Power supply normal operation
Not all power supply are plugged in
Power supply failure, or
AC cable is unplugged from a PSU
AC cables unplugged or damaged on
all PSUs
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