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VS-4228

    The Kramer VS-4228 
    is an 8 
    port matrix switcher for routing RS-422 control. It is designed to 
    interconnect RS-422-controlled devices. The 
    VS-4228 
    operates 
    bi-directionally and offers automatic master/slave configuration. It sends 
    control data from a master device to all destinations, and routes the 
    response of the highest priority slave back to the master. There are three 
    ways to control the VS-4228 
    - 
    front panel buttons, RS-232, and RS-485. A large, bright LED display on the 
    front panel shows the current status of the matrix, and the built-in memory 
    stores and retrieves pre-set configurations.

    
    
　
  
  

    
 
    

      

        

        TECHNICAL SPECIFICATIONS
      
      

        

        
        INPUTS/OUTPUTS:
        

        8 
        in/out ports on DB-9 female connectors, fully compliant to TIA/EIA-422-B 
        standard.
        
RS-232 control via DB-9 female connector (RS-232 out on DB-9 male 
        connector, RS-485 on terminal block assembly.
      
      

        

        
        CONTROL:
        

        Manual 
        with push buttons on front panel, RS-485 and RS-232 serial interface.
      
      

        

        
        DIMENSIONS:
        

        
        19-inch (W), 7-inch (D) 1U (H) rack mountable. 
      
      

        

        POWER 
        SOURCE:
        

        
        230VAC, 50/60Hz, (115V U.S.A.) 10VA. 
      
      

        

        
        WEIGHT:
        

        2.2kg 
        (4.88lbs approx.). 
      
      

        

        
        ACCESSORIES:
        

        Power 
        cord, Windows® - basic control program. 
      
    
    
  


TYPICAL APPLICATIONS

Remote 
control of video and audio production studios.


Live 
broadcast remote control.


CCTV 
and other remote control applications.