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Bus Isolator

  • Protects the system bus against short-circuit, overcurrent, overvoltage, AC 110/230 V intrusion, and pulse interference
  • Prevents external disturbances from affecting bus communication and system stability
  • Integrated bus extender supports 500 m extension with signal reshaping
  • Supports front and rear tamper protection
  • Reports protection events to the control panel
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Available models:

DS-PR521
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Specification

  • Bus interconnection
  • Bus-extender
  • Bus technologyHalf-Duplex RS-485
  • Bus wiring4-Core Alarm Cable (at least 2×0.5mm²+2×0.22mm²)
  • Power supply - general
  • Input voltage12 VDC nominal (9~16 VDC), powered by bus
  • Quiescent current15 mA @12VDC
  • Max. current50 mA @12VDC
  • Power supply - Bus power output
  • Output capacity12VDC nominal (9~16 VDC), 3 A
  • Output protection3 A PPTC
  • Environmental
  • Operating temperature-10°C to 50°C (14°F to 122°F), indoor use only
  • Storage temperature -20°C to 60°C (-4°F to 140°F)
  • Relative humidity10% ~ 90% non-condensing
  • Physical
  • Dimension (W × H × D) 110 × 155 × 31 mm
  • 220 g
  • Installation methodWall mount
  • Compliance
  • Electrical conformityCE, CB
  • EN 50131Security Grade 2, Environmental Class II

Specification

Specification
Bus interconnection
  • Bus interconnection
  • Bus interconnection
  • Bus interconnection
Power supply - general
  • Power supply - general
  • Power supply - general
  • Power supply - general
Power supply - Bus power output
  • Power supply - Bus power output
  • Power supply - Bus power output
Environmental
  • Environmental
  • Environmental
  • Environmental
Physical
  • Physical
  • Physical
  • Physical
Compliance
  • Compliance
  • Compliance

Resources

Firmware

For better user experience, we highly recommend you to update your device to the latest firmware asap.

Firmware

For better user experience, we highly recommend you to update your device to the latest firmware asap.
Applied to:
DS-PR521

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