5 • Troubleshooting
Model 3324 VDSL Carrier-Class Aggregator Configuration Guide
66
Diagnosing VDSL indicators
Diagnosing VDSL indicators
The Model 3324 is easily monitored through its comprehensive panel indicators. These indicators assist the
network manager in identifying problems the Model 3324 may encounter. This section describes the common
problems you may encounter and possible solutions.
System Diagnostics
Power and Cooling Problems
If the POWER indicator does not turn on when the power cord is plugged in, you may have a problem with
the power outlet, power cord, or internal power supply as explained in the previous section. However, if the
unit should turn itself off after running for a while, check for loose power connections, power losses or surges
at the power outlet, and verify that the fan on back of the unit is unobstructed and running prior to shutdown.
If you still cannot isolate the problem, then the internal power supply may be defective. In this case, contact
your supplier for assistance.
Symptom
Cause
Solution
POWER indicator does not light
up (green) after power on.
Defective power outlet, power
cord, internal power supply
Check the power outlet by trying another
outlet that is functioning properly. Check
the power cord with another device. If
these measures fail to resolve the prob-
lem, have the unit power supply
replaced by a qualified distributor.
Link indicator does not light up
(green) after making a connec-
tion
Network interface (e.q., a net-
work adapter card on the
attached device), network
cable, or switch port is defective
1.
Verify the switch and attached device
are powered on.
2.
Be sure the cable is plug into both
the switch and corresponding
device.
3.
Verify that the proper cable type is
used and its length does not exceed
specified limits.
4.
Check the adapter on the attached
device and cable connections for
possible defects.
5.
Replace the defective adapter or
cable if necessary.
I
had a VDSL link. But, after dis-
connecting the line for several
minute, there is no link any
more.
This is normal behavior for the modem.
The LWD (Link Watch Dog) is automati-
cally activated in the VDSL modem,
when ever is no link after a specified
time. Users just re-plug the power of
VDSL modem, and then they can link
again and solve this problem.
Summary of Contents for 3324
Page 8: ...Compliance Information Model 3324 User Guide 8...
Page 74: ...A Specifications Model 3324 VDSL Carrier Class Aggregator Configuration Guide 74...
Page 77: ...77 Appendix B Cabling Chapter contents Introduction 78...
Page 80: ...B Cabling Model 3324 VDSL Carrier Class Aggregator Configuration Guide 80 Introduction...
Page 81: ...81 Appendix C VDSL Spectrum Chapter contents Introduction 82...
Page 83: ...83 Appendix D Example of VLAN Setting Chapter contents Introduction 84...
