This is the 6 port fiber expansion card used inside of the Norstar MICS control unit and allows for up to six expansion modules (M12X0 fiber trunk module or M0X16 fiber station module) to be added to the control unit. By adding 2 of these cards the control unit will be capable of maximum capacity (Must have XC Software to add 2 expansion cards). One port on this card is also used for NAM voicemail modules to be added to the system.

Subject to product availability.