I need more time to look at it. Perhaps also a network guru might pass through soon. From my own experience your ISP gives you a modem. Most ISP require certain modems. In my case I configured my modem as a bridge and connected it to a router that I bought myself. Through this router I can set up my network.
http://whirlpool.net.au/index.cfm?a=h_view&model_id=279 http://www.siemens.com/Daten/siecom.../file/binary/6500_UM_007-6770-001_1274277.pdf This device should work for your network. Here is the manual section: http://www.siemens.com/Daten/siecom.../file/binary/6500_UM_007-6770-001_1274277.pdf I will look further for details.
I don't know why it says Electric Lightwave, but we use a local telephone compay for DSL called Frontier. http://www.frontieronline.com/ I believe that is their site.
Chapter 3 here has the setup instructions: http://www.siemens.com/Daten/siecom.../file/binary/6500_UM_007-6770-001_1274277.pdf
