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This appendix covers potential problems and possible remedies. After each problem
description, some instructions are provided to help you to diagnose and to solve the problem.
Problems Starting Up the ZyAIR
Table 127 Troubleshooting the Start-Up of Your ZyAIR
PROBLEM
CORRECTIVE ACTION
None of the LEDs
Make sure you are using the supplied power adaptor and that it is plugged in to an
turn on when I plug in
appropriate power source. Check that the power source is turned on.
the power adaptor.
If the problem persists, you may have a hardware problem. In this case, you should contact
your local vendor.
The ZyAIR reboots
The supplied power to the ZyAIR is too low. Check that the ZyAIR is receiving enough power.
automatically
Make sure the power source is working properly.
sometimes.
Problems with the Ethernet Interface
Table 128 Troubleshooting the Ethernet Interface
PROBLEM
CORRECTIVE ACTION
Cannot access the
If the ETHN LED on the front panel is off, check the Ethernet cable connection
ZyAIR from the
between your ZyAIR and the Ethernet device connected to the ETHERNET port.
LAN.
Check for faulty Ethernet cables.
Make sure your computer's Ethernet adapter is installed and working properly.
Check the IP address of the Ethernet device. Verify that the IP address and the subnet
mask of the ZyAIR, the Ethernet device and your computer are on the same subnet.
I cannot ping any
If the ETHN LED on the front panel is off, check the Ethernet cable connections
computer on the
between your ZyAIR and the Ethernet device.
LAN.
Check the Ethernet cable connections between the Ethernet device and the LAN
computers.
Check for faulty Ethernet cables.
Make sure the LAN computer's Ethernet adapter is installed and working properly.
Verify that the IP address and the subnet mask of the ZyAIR, the Ethernet device and
the LAN computers are on the same subnet.
Appendix A
ZyAIR G-2000 Plus User's Guide
Appendix A
Troubleshooting
376
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Table of Contents
Troubleshooting
