Do a uname -r to determine which kernel you are running.

32 bit. 
2.6.18-92.el5 is the SMP kernel 
SMP_ti_usb_3410_5052-1.28-1.i386.rpm

2.6.18-92.el5PAE is the PAE kernel
PAE_ti_usb_3410_5052-1.28-1.i386.rpm

2.6.18-92.el5xen is the XEN kernel
XEN_ti_usb_3410_5052-1.28-1.i386.rpm 
 

64 bit.
2.6.18-92.el5 is the SMP kernel
SMP_ti_usb_3410_5052-1.28-1.86_64.rpm 

2.6.18-92.el5xen is the XEN kernel
XEN_ti_usb_3410_5052-1.28-1.86_64.rpm 

Source RPM
ti_usb_3410_5052-1.28-1.src.rpm