Trouble-Shooting
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•
If you are using WPA or WPA2, make sure that the passphrase is the
same on the Ericsson W20/21 and the wireless client. Note that the
passphrase is case sensitive.
•
If Whitelist is enabled, make sure that the wireless client is included on
this list.
•
If the wireless client uses a static IP address, make sure that this IP
address is on the same subnet as the Ericsson W20/21. For
instructions on how to check the client’s IP address, see the operating
system documentation or online help. TheW20/21 IP address and
subnet mask is displayed on the
LAN
page.
•
Make sure that your Ericsson W20/21 network does not use the same
radio channel as other wireless devices in the premises, for example
security systems. The radio channel is displayed on the
Wireless LAN
page. To avoid interference, let the Ericsson W20/21 select a channel
automatically (
Auto
) or manually change the radio channel currently
used.
•
Keep the Ericsson W20/21 away from electrical devices that disturb the
radio signals, for example microwave ovens.
4.7
Slow or Intermittent Wireless LAN Connection
If your wireless connections to the local network are unacceptable slow or
regularly dropping, take the following actions to identify and solve the
problem:
•
Move the Ericsson W20/21 to another location. Make sure that the
mobile network signal is still acceptable before finalizing the
installation.
•
Make sure that your Ericsson W20/21 network does not use the same
radio channel as other wireless devices in the premises, for example
security systems. The radio channel is displayed on the
Wireless LAN
page. To avoid interference, let the Ericsson W20/21 select a channel
automatically (
Auto
) or manually change the radio channel currently
used.
•
Keep the Ericsson W20/21 away from electrical devices that disturb the
radio frequency signals, for example microwave ovens.
•
Check that the
Transmit power [dBm]
on the
Wireless LAN
page is
configured in accordance with your requirements on wireless network
coverage. The maximum (default) value is “20”.