RIO G4

Pharos RIO G4 Ethernet DMX gateway with 4 isolated DMX512 outputs for professional lighting control. PoE powered, DIN rail mountable, RDM compatible and expandable for scalable architectural lighting systems.


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The Pharos RIO G4 (Remote Gateway 4-Port) is a scalable Ethernet-based DMX gateway designed to add physical DMX outputs to Pharos lighting control systems. Featuring four independent DMX512 output ports, it provides a flexible and reliable solution for distributing lighting control data over an Ethernet network.

Designed for professional lighting applications, the RIO G4 connects seamlessly to Pharos controllers and can be easily discovered, configured and managed through Pharos software. Its compact enclosure, DIN rail mounting and installer-friendly connectors make it ideal for permanent installations in lighting control cabinets and architectural projects.

Each DMX output port supports 512 DMX channels, with independent galvanic isolation up to 2kV to protect connected equipment against electrical faults, ground loops and potential differences. The gateway also features self-healing DMX ports that provide additional protection against short circuits, voltage surges and incorrect wiring.

The RIO G4 supports RDM (Remote Device Management) for remote fixture discovery and addressing, and can also be combined with the Pharos SDI accessory to control serial protocols such as SPI for addressable LED products. Multiple RIO G4 units can be deployed on the same Ethernet network, allowing highly scalable lighting control architectures.

The Pharos RIO G4 is the ideal solution for architectural lighting, entertainment, façade lighting and large-scale LED installations requiring reliable DMX distribution and advanced network-based control.

  • 4 independent DMX512 output ports for lighting control distribution
  • Supports 512 DMX channels per port
  • Ethernet-based remote gateway for Pharos controllers
  • Power over Ethernet (PoE IEEE 802.3af Class 2) powered device
  • Maximum power consumption: 7 W
  • Ethernet interface:
    • RJ45 connection
    • 100Base-TX Ethernet
    • Static IP or DHCP configuration
  • DMX protocol:
    • DMX512 (USITT E1.11-2008)
    • RDM compatible (ANSI E1.20)
  • Independent galvanic isolation up to 2kV per DMX port
  • Self-healing DMX ports:
    • Protection against short circuits
    • Protection against voltage surges
    • Automatic recovery after fault clearance
  • SDI compatibility (Designer only) for serial protocols and addressable LED products
  • Configuration software:
    • Pharos Designer 2.13 or later
    • Pharos Express 2.0 or later
  • Addressing via rotary selector switch
  • DIN rail mounting (6 modules / 35 mm rail)
  • Dimensions: 108 × 90 × 40 mm
  • Weight: 0.2 kg
  • Protection rating: IP40
  • Operating temperature: 0°C to 50°C
  • Humidity: 10–90% relative humidity, non-condensing
  • Warranty: 5 years
  • Certifications:
    • CE compliant
    • UKCA compliant
    • UL/cUL listed

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