Ok,
So I attempted to follow your directions exactly, and here is the session from the SDM:
downloadTimer started
timerActivate enabled
SDM:DM=active,1.01.138.308,5/22/2011 10:16:56 PM,responded,14.88.81,2.13,xdevices=True
starttime=00:10
ui:isResponding
PLC:isresponding=True...