LANCOM L-300 Access Point series Chapter 8: Advice & assistance86EN8 Advice & assistanceSee this chapter for first-aid assistance if some of the typical problems shouldoccur.8.1 No WAN connection can be establishedAfter starting, the router attempts automatically to connect to the Internetprovider. During this phase, the Internet-connection status LED blinks green.If successful, this LED switches to constant green. If contact cannot be made,the LAN LED does not illuminate. This is generally due to one of the followingcauses:Problems with the cabling?For the DSL connection, use only the connector cable supplied. This cablemust be connected to the Ethernet connector of the DSL modem The LED forthe WAN connection must illuminate in green to show that it is physically con-nected.Is the correct transmission protocol selected?The transmission protocol is defined with the basic settings. The Basic SettingsWizard actually sets the correct protocol for a wide variety of DSL providers. Ifyour DSL provider is unknown to the Wizard you have to set the protocolyourself. The protocol specified by your DSL provider should work without pro-blem.You can check and adjust your protocol settings under:LANconfig: Communication General Communication layersWEBconfig: LCOS Menu Tree Setup WAN module Layer list8.2 Slow DSL transmissionThe speed of data transmission over an (Internet) DSL connection depends ona number of factors, most of which are beyond the influence of normal users.Along with bandwidth of your provider's connection, of decisive importanceis the provider's Internet connection and the load on the target Web page.Several other factors in the Internet itself can also influence the transmissionspeeds.