Used the web GUI (Safari 6.0.2) to load Merlin's RT-N66U_3.0.0.4_260.21
Waited 5 minutes and then Powered off the router
Held down WPS button for 15 seconds while powering back on to clear NVRAM
Set User Name & Password to "admin" and Enabled Telnet (on the Router)
Formated a Thumbdrive...