Provides an automatic door closing feature that is easily  installed and automatically  recognized by the operator  system. Available for RMX®,  RSX® and RHX® operators.
    
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  Provides dry relay contacts    at door limit positions, lamp   output contacts and a    selectable ADA output to    sound a horn or run a    flashing light. Available for    RMX®, RSX®, and RHX®      operators. 
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   Provides an interface     between two-wire     monitored sensing edges     and our X-Series operators.
 
 
    
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The optional interface module allows Overhead Door®  standard radio remote control  receivers, additional  open/close/stop or single  button input to operate with  RDX® control units. 
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  Works with one, two, three    and four-button    transmitters. Available for    RDX® operators. 
 
    
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  Radio transmitters may be    one, two, three, four-   button, or open/close/stop.    Available for RDX®    operators. 
    
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Stops and reverses the door  upon contact with an  obstruction. Available for  RMX®, RSX® and RHX®  operators. 
    
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  Photoelectric safety sensors    stop or reverse the door    upon obstruction. Available    on RMX®, RSX®, and RHX®    operators. New NEMA 4/4X    sensors now available.   
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  Integrated electronic    solenoid-operated bolt    locking system that provides   an extra measure of   security for doors that    require radio control    operation. Available    for RDX® operators. 
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