Simplex 4100ES Front Panel 64/64 Led Switch Controller (2nd controller per bay) or use when replacing 1st or 2nd control card (4100-1289)

Simplex 4100ES Front Panel 64/64 Led Switch Controller (2nd controller per bay) or use when replacing 1st or 2nd control card (4100-1289)

Simplex Box - Surface (LCD/RCU/SCU)(2975-9101)

Simplex Box - Surface (LCD/RCU/SCU)(2975-9101)

Simplex 4100 8 Red & 8 Yellow LED Control and expasnion Module (4100-1277)

$517.38
8 Red & 8 Yellow LED Module
SKU
4100-1277

Simplex 4100ES 8 Red & 8 Yellow LED Control and expasnion Module (4100-1277)

Possible Markings on Board: 4100-1277 742-983

Spares Group: Front display doors and display modules