The default IP address of the unit is 192.168.0.1. If you forget the IP address of the unit you can log into your Router and find the IP address assigned to it or you can run the utility installed from the CD. If you have installed the utility as stated by the quick installation guide, to access it you will click on Start>Programs>TRENDnet>Web Smart Switch Management Utility>Web Smart Switch Management Utility. This utility will detect Switches on the network and will allow the user visible proof the IP address.
If you have forgotten the password you will need to reset the unit by pushing in the reset button found on the front of the device. After the unit has been reset you can now reconfigure the unit, the default password is admin.