Air Mac Extreme base Station

i have as primary Cisco wifi and secondary Air Mac Extreme base station. i want to configure base station to extend my wireless network.can it possible with base station which i have ???

it has newer version of freeware n updates. I am tried to configure the base station with extend network option with click on extend network option. i was also tried with reset simple and hard reset to trying configure it but cant succeed. i was tried with support people...but i think they better know how to attend the calls not how to resolve the problems. but any how...if any buddy knows how to configure it plz help me with possible with screen shots.