The different between H2 Mini AC Indoor and H2 Mini DC Indoor (Motorola) is given the power supply unit. The Horizon II mini power supply and distribution elements comprise the power supply units (PSUs): + 27 V DC PSU (negative earth input) or – 48/60 V DC PSU (positive earth input) or 120/240 V AC (nominal) PSU. You must to replace the power supply module ( swap DC PSU with AC PSU_120/240V) and use the AC connector (IEC 320). For connections with single phase AC you use a power cable with three characters: the line power cable is brown or red, the neutral cable is blue or black, the protective earth cable is green or green and yellow.
I expect in the solution of your problem. Ask if you need else many informations.