To change the IP address of an iDR Mixrack without a surface you need to use the HTML interface.
To do this you need to have your computer and the MixRack connected via an Ethernet cable plugged into a NETWORK socket on the iDR.
If the iDR is using the default IP address - 192.168.1.1
you would enter the following into your browser's address bar: http://192.168.1.1/Setup.html
(address is case sensitive)
If the iDR is on a different address then just replace ‘192.168.1.1’ with the correct IP address of the iDR.