Communicate between XTEND and XBee SX modules. Possible ?

Dear Experts
I have got new Xbee SX modules with its Development Board and old 9XTEND-PKG USB Modem.
Could you please let me know these two products are capable of communicating with each other ?
My first communication attempt was not success.
Product Family and fuction sets are;

9XTend-PKG 9600/115K Hopping
Best Regards