3Com 3CRWE754G72-A - Manual (Page 20)

20 C HAPTER 2: H ARDWARE I NSTALLATION
Figure 6 Installing with a splitter
or
If you are using a splitterless (G.lite) connection, then your service
provider will attach the outside ADSL line directly to your phone system.In
this case you can connect your phones and computer directly to the
incoming ADSL line, but you will have to add low-pass filters to your
phones as shown below (
Figure 7 ):