2CH Dry Contact Fiber optic Extender Transmitter and Receiver for Access Control

4CH Dry Contact Closure Extender BIDI Data to Fiber Optic Transmitter Receiver

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4CH Dry Contact Fiber optic Extender Transmitter and Receiver for Access Control

Dry Contact Extender, 2CH BIDI Data over Fiber Optic Transmitter and Receiver

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16 CH Dry Contact Closure to Fiber optic Extenders Transmitter and Receiver

1PC ELETTROTEC Flow switch IFE1R3 Traffic transmitter 37025 NEW