Hi experts...i am a newcomer to the net sharing tech...i need an assistance to use my new adsl modem (Siemens SL2_141). it has four ethernet ports and one wireless...how can i use this modem for different computers to connect to net simultaneously. when i am using an ethernet port with one computer i amn't able to connect net with any other prts or the wireless using other computers. the modem was provided with the broadband connectiona nd did not come with a CD or mannual...the plan is the business plan 9000 multiple users...i had assumed it is also a router...so, please help me to find a solution to the problem of sharing the net with this modem to different computers simultaneously..