Hi i use explornet which is through a satalight

hi i use explornet which is through a satalight dish after the company box it is called a surfbeam it gose to a dlink dir 615 then from there it go to a wbr 2310 all by of network cable i can connenct but cannot do email or sufe the web if i just use the surfbeam and the 615 it works but not with both i was told by the store just hook up and use any ideas what to do goses through a i mean the two dlink rotouters do not want to work togther but work fine buy themselfs