Simplex 4100-5005, 8 Zone Class B Module Monitor/Security, Motherboard Unit #1 @

Simplex 4100-5005, 8 Zone Class B Module Monitor/Security, Motherboard Unit #2 #

SIMPLEX 8 ZONE CLASS B MODULE SUB-ASSEMBLY MODEL NO 4100-5005 SERVICE NO 742-655

SIMPLEX 4100-5005 IDC 8-ZONE MODULE FOR FIRE ALARM CONROL PANELS CLASS-B 562-856

Simplex 4100-1291, Remote Unit Interface Module & RUI Motherboard ##

SIMPLEX 4100-5005 562-856 8 ZONE CLASS B MODULE FIRE ALARM CIRCUIT BOARD

SIMPLEX 4100-5005 Rev E, 8 Zone Class B Card, New.