Device is in DHCP (with DHCP Server)
This functionality has been tested in windows 7 and windows 8.1
Using a PC utility like DHCP Server (tested with dhcpsrv2.4.4)
Power on the device
Configure your PC in a static range like 192.168.1.x
Configure the DHCP server:
Run the file dhcpwiz.exe as an administrator.
Select the interface, it should have disabled the DHCP, and click next
In File Server Protocols, check HTTP
Configure the range of IP's that the computer will give
Write the INI file
Click in Finish.
Make sure the DHCP is disabled, and click Next
In File Server Protocols, check HTTP
Configure the range of IP's that the computer will give
Write the INI file
Power off the device.
Start DHCP Server utility:
Run the file dhcpsrv.exe as an administrator.
In Firewall exceptions, click in Configure and click in "Continue as tray app" (do not install it):
Connect the reader and the computer trough the Ethernet cable.
Power on device.
The DHCP Server will flag the assigned IP to the device.