ZyXEL Communications G-570U Betriebsanweisung PDF herunterladen (Seite 100)

ZyXEL G-570U User’s Guide

100 Chapter 8 Troubleshooting

8.3 Problems with the WLAN Interface

8.4 Problems with the Ethernet Interface

Table 30 Troubleshooting the WLAN Interface

PROBLEM CORRECTIVE ACTION

I cannot access the

G-570U from the

WLAN.

Make sure the wireless adapter on the wireless station is working properly.

Check that both the G-570U and your wireless station are using the same

ESSID, channel and security settings.

I cannot ping any

computer on the

WLAN.

Make sure the wireless adapter on the wireless station(s) is working properly.

Check that both the G-570U and wireless station(s) are using the same ESSID,

channel and security settings.

I have tried to set up

OTIST, but cannot

connect to an access

point.

When OTIST is complete, the A and G LEDs flash simultaneously while the G-

570U tries to connect to an AP. If the LEDs continue to flash, the G-570U has

not made a connection.

Make sure that OTIST is set up correctly on both the AP and the G-570U. All

settings must be the same on both devices.

Ensure that the AP and the G-570U are not receiving radio signal interference

and are within range. Move the devices closer together and away from any

sources of interference, such as microwave ovens, Bluetooth devices and other

radio transmitters.

Restart OTIST on both devices.

Table 31 Troubleshooting the Ethernet Interface

PROBLEM CORRECTIVE ACTION

I cannot access the

G-570U from the

LAN.

If the ETHN LED on the front panel is off, check the Ethernet cable connection

between your G-570U and the Ethernet device connected to the ETHERNET

port.

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 G-570U, the Ethernet device and your computer are on the

same subnet.

I cannot ping any

computer on the

LAN.

If the ETHN LED on the front panel is off, check the Ethernet cable connections

between your G-570U and the Ethernet device.

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 G-570U, the Ethernet

device and the LAN computers are on the same subnet.

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