Adding the MUX card (DS9431, D7039, FPE-7039) to any of the following panels DS9400, DS9400i, DS9400M, D7024, FPD-7024 will expand the number of users from from 15 to 100 and the history event buffer from 99 to 499 events. It also allow provides two Class B loops or one Class A loop. Wired Class B, Loop A is addresses 9 - 128 and Loop B is 129 - 255. Wired Class A allows addresses 9 - 128.
Part numbers DS9400, DS9400i, DS9400M, D7024, FPD-7024, DS9431, D7039, FPE-7039
