ZyXEL Communications B-4000 manual Troubleshooting

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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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Contents ZyAIR B-4000 Table of Contents Introducing the ZyAIR Rear Panel ConnectionsFront Panel LEDs LED Status Description Factory DefaultsWindows 2000/NT/XP Setting Up Your Computer’s IP AddressChecking/Updating Your Computer’s IP Address Testing the Connection to the ZyAIRAccessing Your ZyAIR Via Web Configurator Configuring Your ZyAIRInternet Connection Wizard Web Configurator Login ScreenInternet Connection StaticIP Internet Connection Pptp Mail Service Setup Printer Selection Customize Printout Text Printout Example Web-based Accounting Setup Account Generator Panel System Setting Introducing the Web ConfiguratorTest Your Internet Connection Resetting the ZyAIRHardware Installation Desktop InstallationWall-mount Installation Wall-mount Brackets Attaching AntennasTroubleshooting TroubleshootingLAN