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LED
Power
RPU
Diag
!
Optional Redundant Power Unit
The switch supports an optional Redundant Power Unit (RPU), that can
supply power to the switch in the event of failure of the internal power
supply.
Power Supply Receptacle
There is one power receptacle on the rear panel of the switch. The
standard power receptacle is for the AC power cord.
System Status LEDs
Condition
Status
On Green
The unit's internal power supply is operating
normally.
Off
The unit has no power connected.
On Green
The redundant power supply is operating
normally.
Off
No redundant power supply is connected.
On Green
The system diagnostic test has completed
successfully.
Flashing
The system diagnestic test is in progress.
Green
On Orange
System diagnostic test failed, power supply
failed, or any of the two fans failed.
Off
System is in normal operation.
Figure 1-3. Power Supply Receptacle
D
ESCRIPTION OF
H
ARDWARE
1-5
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