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Troubleshooting, 5 troubleshooting – ZyXEL Communications ZYAIR B-4000 User Manual

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ZyAIR B-4000

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Make sure the antennas are securely screwed onto the antenna

connectors.

Figure 24 Attaching Antennas

5 Troubleshooting

Table 4 Troubleshooting

PROBLEM CORRECTIVE

ACTION

None of the LEDs
turn on when you
turn on the ZyAIR.

Make sure that you have the correct power adaptor connected to the ZyAIR and
plugged in to an appropriate power source. Check all cable connections.

If the LEDs still do not turn on, you may have a hardware problem. In this case, you
should contact your local vendor.

Cannot access the
ZyAIR from the LAN.

Check the cable connection between the ZyAIR and your computer or hub. Refer to
section 1.1 for details.

Ping the ZyAIR from a LAN computer. Make sure your computer’s Ethernet adapter
is installed and functioning properly.

Make sure that the IP address and the subnet mask of the ZyAIR and your
computer(s) are on the same subnet.