Hama PN40HD Bedienungsanleitung Seite 153

Troubleshooting
Question 9. I have configured all settings correctly but the wire-
less network or the UpnP still does not function properly .
Answer:
Are you using a firewall such as Norton Internet Security, McA-
fee Personal Firewall, Zone Alarm, etc ., or are you even using the
integrated firewall of Windows XP? (Ensure that the Windows XP
Service Pack 2 automatically upgrades your firewall and is activated
in the works settings.) If you are using a firewall, this may have to
be configured or may require exceptions to enable you to view and
communicate with the device in the network . To check whether your
firewall is blocking the network communication (including PING and
file access), interrupt the connection.
If you can make a connection with the firewall deactivated, you may
have to add the device to the "trusted list" or configure the firewall
for local Intranet access. In the worst case, deactivate your firewall
as long as necessary to allow the device to be used . Then activate it
again .
Question 10. I am using the 802.11n WLAN dongle with a wire-
less 802 .11n router . Why is the transmission rate still only
802 .11g 54Mbps instead of 300Mbps?
Answer:
The IEEE 802 .11n draft does not permit the use of high data trans-
mission rates with WEP or TKIP as Unicast codes . If you are using
these encryption methods (e .g . WEP, WPA-TKIP), your data trans-
mission rate will drop to 54 Mbps . You can contact the access point
or router manufacturer to download the latest firmware, or try the
other encryption methods (WPA2-AES or WPA2-TKIP); or configure
an insecure profile, although this method is not recommended.
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