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Silex SD-320AN Wireless Serial Server



802.11 a/b/g/n Wireless Serial Device Server

The SD-320AN serial device server provides the easiest method to connect, access, and monitor RS232 serial devices over a Wi-Fi network.

Top Features:

  • Dual band IEEE 802.11a/b/g/n support
  • Easily connect and share RS-232 serial devices on wireless networks
  • Enterprise security support
  • Access, monitor and control equipment over Ethernet or Wi-Fi
  • Multiple Serial Port Modes and Wireless Modes for maximum flexibility in any environment
  • Optimized for roaming
  • Support for Windows, MAC and Linux


  • Easily connect and share RS-232 serial devices on wireless networks. Access, monitor and control equipment over Ethernet or Wi-Fi.
  • Multiple Serial Port Modes
    • Serial Port Emulation Mode: The included Silex SX-Virtual Link software precisely emulates a serial port (or COM port) connection on a computer operating system, and then redirects the packets over the network to the serial port of the SD-320AN.
    • Raw TCP Connection Mode: This mode makes it possible to possible to directly communicate with a serial device via TCP application program using a TCP socket API.
      SD-310AN Diagram
      • eCable Mode: Serial data can be tunneled over the network between devices connected to SD-320AN.
        eCable Mode
    • Wireless Modes
      • Wireless Station (Client) Mode: The SD-320AN can connect to an existing 802.11a/b/g/n Wi-Fi network. The dual band capability and enterprise security ensure a stable connection to even the most advanced wireless networks.
      • Wireless Access Point Mode: The SD-320AN can create a wireless network so any wireless client (station) can easily make a direct secure connection.
    • SD-320AN additional features:
      • Dual band IEEE 802.11a/b/g/n support on the SD-320AN allows communication in the 2.4 GHz and 5 GHz bands. Radio interference in the commonly used 2.4 GHz band can be avoided by utilizing 5 GHz.
      • SD-320AN provides optimized roaming based on a signal strength algorithm between wireless access points ensuring maximum uptime for the connection.
    • Model number


      Wired LAN


      Wireless standard



      : 802.1x is only available in wireless station (client) mode

      WPA-PSK (AUTO) 
      WPA2-PSK (AES), 

      Device interface


      Environmental condition


      • Temperature: -20 ~ + 70 ?
      • Humidity: 20 ~ 90% RH


      • Temperature: 0 ~ + 50 ?
      • Humidity: 20% ~ 80% RH (non-condensing)

      Maximum power consumption

      2.5W (DC5V/0.5A)

      Regulatory Compliance

      VCCI Class B, FCC Class B, ICES-003 Class B, CE Class B

      Included items

      Body, AC adapter, setup guide, rubber feet, wireless LAN antenna (SD-320AN only), GPL inquiry sheet, warranty card