The RDL HR-DSX4 is the ideal choice in installations requiring high quality source selection between digital audio signals, offering solid-state switching to select one of four inputs. Each input may be fed through one of three jacks: S/PDIF optical, S/PDIF (or AES-3ID) coaxial or AES/EBU. The output is switch-selectable to provide an AES/EBU, S/PDIF coaxial, S/PDIF optical or AES-3ID output. The switch enables the appropriate output jack and any required electrical and data format conversion. The AES/EBU inputs and output are 110 Ohms terminated; the S/PDIF coaxial and AES-3ID signals connect through 75 Ohms terminated phono jacks. RDL's proprietary Sure-Lok auto recovery supervision monitors possible causes of latch-up and reinitiates signal lock to provide highly stable operation in the variety of conditions encountered in professional environments.
The front panel features four high-reliability, keyboard-style source selection pushbuttons with corresponding LEDs. Upon selecting a source, the LED lights if a valid input is present; otherwise it flashes. If the button for a selected source is pushed again, all inputs are turned off. A front panel LOCAL/REMOTE switch enables either the front panel buttons or the rear panel remote control terminals provided on detachable terminal blocks. In the REMOTE mode, inputs are selected by an external switch or open-collector closure to ground, which may be momentary or continuous. When a source is selected, the HR-DSX4 provides a 50 mA open-collector output to control other equipment or modules.
The HR-DSX4 is powered from 24 Vdc, which may be connected through the detachable terminal block or through the dc power jack. A front panel power switch is provided.
PS24AS power supply sold separately.
• 4 x 1 Digital Audio Selection with Signal Reclocking
• Each Input: AES/EBU, Coaxial or Optical S/PDIF
• Output: AES/EBU, Coaxial or Optical S/PDIF
• Format Conversion for Selected Output Format
• Operation Up to 24 bits, 192 kHz
• Exclusive Sure-Lok Auto-Recovery Sentinel
• Transformer Isolated AES/EBU Inputs and Output
• Local or Remote Controlled Switching
• Open-Collector Output for Selected Input
• Input LED Flashes if Valid Input is Not Connected
• Inputs (12):110 Ω AES/EBU XLR (4), transformer isolated; S/PDIF optical (4); 75 Ω S/PDIF or AES-3ID coaxial phono jack (4)
• Outputs (3):110 Ω AES/EBU XLR, transformer isolated; vS/PDIF optical; 75 ΩS/PDIF or AES-3ID phono jack
• Selector:Rear-panel output format: AES/EBU, S/PDIF or AES-3ID
• Sample Rate:32 kHz to 192 kHz
• Resolution:16 to 24 bits
• Indicators (6):POWER LED; INPUT Source Selected LED (4); REMOTE Control Mode LED
• Standards:AES3-2003, IEC60958
• Power Requirement:GROUND-REFERENCED 2 to 33 Vdc @ 50 mA
• Ambient Operating Environment:0° C to 50° C
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