6.1 Receiver In 2009 I Have A Sony Receiver And I Want To Hook Up A 6.1 Surround System With A Passive Sub Woofer?

I have a Sony receiver and I want to hook up a 6.1 surround system with a passive sub woofer? - 6.1 receiver in 2009

I have a Sony digital receiver and have separate terminals for front and surround speakers and center .. It has an RCA output for my sub .. Sub However, I have a series of eight terminals, how can I connect them in touch ..