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      Desktop 4-channel XLR broadcast audio Fiber Mux
      
                            
      Type:FCA-A4Z Message
      
                            
      Description:1-4 channel pure audio digital fiber mux, 24bits sampling, sampling accuracy 128K, audio interface is XLR
      
                        
      
                    
      
                 
      
                 
                 
                 
                 
      
                     
      
                 	    Product Description
                     
      
                     
      
                 	    
      
	        1-4 channels integrated multiplexing audio optical transmitter/receiver adopts digital coding technology, the audio interface is XLR (XLR), which can pass audio signal, data signal, switch signal and Ethernet signal through a single-mode optical fiber Realize long-distance two-way transmission, and the signal can be transmitted up to 100Km without distortion or relay. The audio interface uses 24Bit AD/DA, 128K sampling, studio-level transmission quality.
      

      
	        Audio optical transceivers are composed of optical transmitters and optical receivers, which can be configured into 2 channels of two-way audio and 4 channels of one-way audio.
      

                     
      
                 
      

                 
      
                     
      
                 	    Functional Properties
                     
      
                     
      
                 	    
      
	◆ All-digital optical fiber transmission platform, flexible configuration of multiple services on the same platform;
      

      
	◆ Aluminum alloy anodized shell, IP40 protection level;
      

      
	◆ The audio interface is XLR XLR balanced interface, high dynamic range;
      

      
	◆ Desktop type, 4U rack plug-in card type are available;
      

      
	◆ Single fiber transmission, optional dual fiber;
      

      
	◆ Audio uses 24Bit AD/DA, 128K sampling, studio-level transmission quality;
      

      
	◆ The audio interface provides three-level lightning protection function, which can pass the test of ITU-T K.21  (10/700 μS), common mode: 6KV, impedance (40 Ω).
      

                     
      
                 
      

                 
      
                     
      
                 	    Technical Parameters
                     
      
                     
      
                 	    
      
	◆ Audio          
      

      
	Signal level: 0.5-4Vp-p
      

      
	Input/output impedance: 600Ω (unbalanced or balanced)
      

      
	AD/DA bit width: 24Bit
      

      
	Sampling frequency: 128K
      

      
	Bandwidth: 20Hz-20KHz
      

      
	Total harmonic distortion: <1%
      

      
	Signal to noise ratio (SNR): >85dB
      

      
	Connection terminal: XLR (XLR) balanced interface
      

      
	◆ Optical        
      

      
	Working wavelength: 1310nm, 1550nm
      

      
	Fiber: single mode 9/125um
      

      
	Optical interface: FC, SC, ST
      

      
	(The distance of optical fiber transmission is limited by the loss of optical path and the additional loss caused by connecting terminals, joints and patch panels. Transmission distance may also be limited by fiber bandwidth. )
      

      
	◆ Electrical and mechanical characteristics  
      

      
	Voltage: DC 12V
      

      
	Power consumption: ≤3W
      

      
	◆ Working environment   
      

      
	Working temperature: -10℃—+70℃
      

      
	Storage temperature: -40℃—+85℃
      

      
	Working humidity: 0%—95% (no condensation)
      

      
	MTBF: ＞100,000 hours
      

                     
      
                 
      

                 
      
                     
      
                 	    Application Scheme
                     
      
                     
      
                 	    Desktop 4-channel XLR broadcast audio Fiber Mux
                     
      
                 
      

                 

                 
            
      
        
      
	
      

      


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