The D1255RB, D1256RB and D1257RB command centers are compatible with G-Series control panels with firmware revision 7.04 or higher.
When connected to earlier revision panels, the keypad basic functions will operate correctly but LED's for Fire, Silenced, Supervisory and Trouble will not operate correctly.
Additionally, the D1255RB, D1256RB and D1257RB keypads are not UL listed with control panels prior to revision 7.04.
