Miranda DCO-1781-3RU 4 AES audio change-over w/ optional silent...

Miranda DCO-1781-3RU 4 AES audio change-over with optional silent switch - DCO-1781-3RU

Key Features

• Up to 4 AES on each input


• Electronic switching with relay backup (on rear module)


• Automatic mode using internal signal analysis with alarm parameters


• Manual change-over by local frame controller, iControl, iControl Solo or GPI


• GPI outputs give status of selected source for tallies


• Alarm reporting to iControl facility monitoring and control system


• GPI I/O (IN1, IN2, AUTO, BYPASS)


• Optional silent switch function


• Frame reference input


• Audio level meter streaming


• Emergency audio tone

Specifications

• Sampling freq.: 48 kHz ±100 ppm


• Quantization: 16 to 24 BITS


• All A inputs must be synchronized with each other.


• All B inputs must be synchronized with each other.


• AES3
  
  
  
  • Level: 0.2 to 7 Vp-p
  
  
  • Impedance:
    
    
    
    • Transformer balanced
    
    
    • 110Ω (bypass off)
    
    
    • >5 kΩ (bypass on)
    
    
    
    
  
  
  
  


• AES3-id
  
  
  
  • Level: 0.2 to 2 Vp-p
  
  
  • Impedance:
    
    
    
    • 75Ω (bypass off)
    
    
    • >5 kΩ (bypass on)
    
    
    
    
  
  
  
  


• Return loss: >15 dB up to 12 MHz


• AUDIO OUTPUT (4 AES)


• Sampling freq.: 48 kHz ±100 ppm


• AES3
  
  
  
  • Level: 4 Vp-p
  
  
  • Impedance: 110Ω balanced
  
  
  
  


• AES3-id
  
  
  
  • Level: 1 Vp-p
  
  
  • Impedance: 75Ω
  
  
  • Return loss: >15 dB up to 12 MHz
  
  
  
  

• Signal: URS for Densité

• Quantization: 24 bits


• Sampling: 48 kHz, synchronous


• Number of channels: 8


• Latency:
  
  
  
  • 3 audio samples
  
  
  • 40 ns (direct mode)
  
  
  
  

• AES audio alarm
  
  
  
  • AES carrier
  
  
  • No Lock
  
  
  • Parity
  
  
  • CRCC
  
  
  • Validity
  
  
  • Not 48 kHz
  
  
  
  


• Audio type
  
  
  
  • PCM
  
  
  • Dolby-E
  
  
  • Dolby Digital AC 3
  
  
  • Non PCM
  
  
  
  


• Overload
  
  
  
  • Level
  
  
  • Max
  
  
  • Min
  
  
  • Silence
  
  
  • Overload
  
  
  
  


• Dynamic
  
  
  
  • Low dynamics
  
  
  • AES imbalance
  
  
  • AES phase
  
  
  • AES stereo width
  
  
  
  


• Metadata
  
  
  
  • Program config
  
  
  • Dialnorm
  
  
  
  

• Tone generator: 1 kHz sine wave interrupted on left channels (250 ms / 3s) EBU R49


• Emergency audio clip: storage provided for one or two files, with a total duration from 11.3s (for stereo signal sampled at 48 kHz) to 45s (for mono signal sampled at 24 kHz)

• Power: 10W

Diagram