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Operating the Core Switch 2/64
Table 11: Power Supply LED Patterns (Continued)
Location
of LED
Lower LED
!
Blower Assemblies LEDs
The switch is cooled by three blower assemblies located on the blower assembly
side of the chassis. The air enters through the vents on the blower assembly side of
the chassis and exits from the vent in the top of the port side of the chassis. The
chassis requires a minimum airflow of 350 cubic feet per minute. This requires a
minimum of two blower assemblies operating at all times.
The blower assemblies are hot-swappable. If more than one blower assembly
must be removed at the same time, turn off the switch to prevent overheating.
Each blower assembly contains a power LED and a fault LED, see
Table 12
112
Purpose
Color of
of LED
Fail
No light
(LED is off)
Steady
orange
(amber)
Flashing
orange
(amber)
is a list of blower assembly LED Patterns, and their meanings.
LED
Status of Hardware
Power supply is either
healthy or does not
have incoming power.
Either the switch has
power but this Power
Supply does not (AC
switch may be off), or
the Power Supply has
failed.
Power supply is
unable to supply
power.
Core Switch 2/64 V4.1 Installation Guide
Recommended
Action
Check Power
LED.
Ensure correct
AC power
switch is on and
Power Supply is
seated. If
orange light
continues,
replace Power
Supply.
Verify incoming
power meets
requirements
listed in
Appendix A.
Figure
25.
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