ZyAIR B-4000

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

Make sure that you have the correct power adaptor connected to the ZyAIR and

turn on when you

plugged in to an appropriate power source. Check all cable connections.

turn on the ZyAIR.

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

Check the cable connection between the ZyAIR and your computer or hub. Refer to

ZyAIR from the LAN.

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.

 

 

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ZyXEL Communications B-4000 manual Troubleshooting