D link DSL router with broadband connection

I bought a D-Link wirelss N300 ADSL+Modem router,does it work with my broadband??I have a modem and with that cable i used to connect to internet.But in this router it has 4 ethernet ports and 1 DSL port,but the ethernet cable wont fit intto the DSL port.My ISP is YOU telecom.Please help me with this.
 

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