Allied Telesis AR740 RPS Quick Install Manual - Page 6
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6
Fault Indicators and What They Mean
The LEDs on the rear panel indicate the RPS's operational status.
LED
State
Power
Green
RPS Fan Fault
Amber
Off
Main PSU Fault
Amber
Off
RPS PSU Fault
Amber
Off
Main Fan Fault
Amber
Off
If an LED indicates a fault, follow these steps:
1.
Check that all cable connections are correct and secure.
2.
Check that both the RPS and the router are switched ON.
3.
Check that the RPS is receiving the correct AC voltage.
4.
If the LEDs indicate a router fault, verify that the fault exists (check the
router's fans and LEDs) and, if necessary, replace the router or have it
serviced by authorised service personnel.
If the LEDs still indicate a fault, but no fault exists on the router or power
supply circuits, or if the LEDs indicate an RPS fault, contact your authorised
Allied Telesis distributor or reseller.
Function
The RPS unit is receiving AC power and the
voltage is within an acceptable range.
The RPS is switched OFF.
Mains power to the RPS has failed.
An RPS fan has failed.
Normal operation.
The corresponding router is switched OFF or its
PSU has failed.
Mains power to the router has failed.
The DC cable between the router and RPS is not
connected.
The RPS is supplying power to the router.
Normal operation.
The RPS is switched OFF or its PSU has failed.
Mains power to the RPS has failed.
The DC cable between the corresponding router
and RPS is not connected.
Normal operation.
The DC cable between the corresponding router
and RPS is not connected.
A main router fan has failed.
Normal operation.
AR740 RPS
C613-04025-01 REV F