Fault analysis
78
Model 6081RC Network Access Server Getting Started Guide
10 • Troubleshooting and maintenance
Fault analysis
The following procedures outline steps you should follow when troubleshooting a Model 6081RC malfunction.
1. If possible, talk to the person who filed the trouble complaint and determine the operational symptoms.
Record the symptoms on the appropriate trouble report form (include the front panel LED indications).
2. Refer to
table 5
for LED definitions and compare the recorded results from the trouble report against those
in the table, then refer to the section recommended in the table for the maintenance procedure that will
repair the malfunction.
Periodic maintenance
Consult the rack chassis user manual for information on preventative maintenance (such as cleaning the chassis
air cooling vents and filters to remove accumulated dust).
Calibration
The Model 6081RC requires no calibration.
Table 5. LED definitions
LED
Location
Color
Status
Meaning
PWR
Front panel Green
On solid Power is being applied. No action recommended.
Flashing The 6081RC has detected a power failure on a power bus.
There may be a problem with the CPCI power supply system
such as a failed power supply module in the chassis. The Model
6081RC will function normally with one power supply. Inspect
the power supplies in the CPCI chassis to identify and replace
the failed power supply module. If the POWER LED continues
flashing when all chassis power supplies are functional, contact
Patton Technical Support to determine if the Network Access
Router should be replaced.
Off
No input power is being applied. Verify that at least one chassis
power supply module is installed in the chassis and functioning
normally.
ENET
Front panel Green
On solid Link status is nominal for the Ethernet port. No action recom-
mended.
Off
•
A valid link has not been detected.
•
Verify that an Ethernet cable is plugged into the hub, switch,
or workstation and the Ethernet port of the Model 6081RC.
•
Verify that the hub, switch, or workstation is powered on.
•
Verify that the correct straight-through or cross-over cable is
being used, depending on whether you are connecting to a
workstation (PC), hub, or switch.
•
Replace the cable. If the problem still exists, contact Patton
Technical Support to determine if the Network Access Router
should be replaced.
READY
Front panel Blue
On
Card ready for removal from cPCI chassis.
Off
Card not ready for removal from cPCI chassis.
Do not remove card from chassis.