MyNet900 - Changing IP address range


just got a MyNet900 with 2TB and wany to connected it to my Network, i have disabled the DHCP on it as i already have one on the network, gave it a fixed IP form the DHCP, but it will not allow me to set the IP of the unit to anythink but 192.168.1.**

i use 192.168.11.** range not 1 and when i change it and rest i get ip on the unit as on and subnet of not what i set

any ideas why cant i set this IP

If you are using the My Net in AP mode?