Contact Closure

FDC1/FDC2
Fiber Optic Cable Breakage Monitor/Detector
FDC10 Series
Bi-Directional Contact Closure
FDC8 Series
8 Channel Contact Mapping
FDC80 Series
8-Channel Supervised Contact Closure
FDC8NLR Series
8-channel Contact Closure Non-latching Receiver
FDC24NL Series
24 Channel Duplex Contact Closure Transceiver
FDC8ISOT Series
8-Channel Optically Isolated Contact Closure Transmitter