Q-Sys QIO-S4 Surface Mountable Control Expansion Peripheral - 1U with 4 Serial I/O via Ethernet

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Write a review Q&A SKU: QIO-S4 PSSL ID#: 215932
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Regular price $455.00 USD
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Q-Sys QIO-S4 Surface Mountable Control Expansion Peripheral - 1U with 4 Serial I/O via Ethernet

The Q-SYS QIO-S4 expands your Q-SYS system’s capabilities to enable streamlined interoperability with non-networked control devices via Serial connectivity. By separating local I/O from processing hardware, the QIO Series offer modular and easily scalable network I/O to support your desired topology.


  • Native network Serial connectivity solution for Q-SYS
  • Four (4) bi-directional RS232 serial ports
  • One port includes RS422 and RS485 compatibility
  • Power over Ethernet (PoE) capable
  • Daisy-chain up to four QIO expanders on a single network run (with local daisy-chained DC power)
  • Simple drag-and-drop integration and comprehensive management via Q-SYS Designer Software and Q-SYS Reflect Enterprise Manager
  • Surface- or rack-mountable (1RU, quarter width)
  • Includes surface mounting hardware


  • Serial Ports:
    • RS-232 / RS-485 / RS-422: One (1) port, configurable protocol, baud rate, and flow control
    • RS-232: Three (3) port, configurable protocol, baud rate, and flow control
  • Other Connectors:
    • External power supply: 24 VDC nominal, 2.5 A on Euro connector with second connector for daisy-chaining (QIO-PSU power supply sold separately)
    • LAN (PoE): Gigabit LAN connection for Q-LAN, PoE
    • PoE specification: Conforms to IEEE 802.3af Type 1
    • LAN (Thru): Ethernet daisy-chaining
  • General:
    • Dimensions: 5.5 x 4.25 x 1.59 in (139.7 x 108 x 40.4 mm)
    • Weight: 1.18 lb (0.54 kg)
    • Mounting options: Surface- and wall-mountable (hardware included) Rack-mountable; 1RU, quarter-rack width (QIO-RMK rack kit sold separately)
  • Environmental:
    • Ambient operating temperature range: 0°C to +50°C
    • Humidity: 0%-85% through 30°C non-condensing
    • Storage temperature: -20°C to +70°C
    • Compliance: FCC 47 CFR Part 15, IC ICES-003, CE (EN55032, EN55035), EU RoHS directive 2011/65/EU, WEEE directive 2012/19/EU, China RoHS directive GB/T26572, EAC, UL, C-UL, NOM-019


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