Add+activate usb wifi dongle

Hi folks

I´m a new user who have a little bit of linux experience. Although my terminal skills are very limited.

I have a dlink wifi usb dongle dw171 . I have looked at this thread

I have installed wireless tools+manager and i can see my device in putty:

lsusb
Bus 001 Device 002: ID 2001:3318 D-Link Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Can anybody help me further?