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.

High Performance Dual Band Wi-Fi

The Silex SD-320AN is designed to easily connect and share RS-232 serial devices over a wireless network.  Industrial automation, building automation, medical devices, security access and control, point of sale devices, LED signs, bar code/label and other specialty printers, or virtually any other device with a serial port can now be enabled with secure, robust wireless network capability.

Easily connect and share RS-232 serial devices on wireless networks. Access, monitor and control equipment over Ethernet or Wi-Fi. It supports multiple Serial Port Modes and Wireless Modes for maximum flexibility in any environment.
  • Easily connect and share RS-232 serial devices on wireless networks
  • Multiple Serial Port Modes
  • Serial Port Emulation Mode
  • Raw TCP Connection Mode
  • Serial data can be tunneled over the network
  • Wireless Station (Client) Mode
  • Wireless Access Point Mode allows
  • communication in the 2.4 GHz and 5 GHz bands
  • SD-320AN provides optimized roaming
  • Model number: SD-320AN
  • Wired LAN: 10/100
  • Wireless standard: IEEE802.11a/b/g/n
  • Security: WPA-PSK (AUTO) WPA2-PSK (AES),
  • Device interface: RS-232C
  • StorageTemperature: -20 ~ + 70 ° C
  • Humidity: 20 ~ 90% RH
  • OperatingTemperature: 0 ~ + 50 ° C
  • 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


Click on the Software Application to download the latest software file for your product.

Serial Device Server Setup

ExtendView Software

SX-Virtual Link for Serial

AMC Manager


SD-320AN Version 2.0.5

This firmware contains a program covered by an open source license such as GPL (GNU General Public License) or LGPL (GNU Lesser General Public License). Please click here for the applicable program and license.

GPL Code and License: SD-320AN Version 2.0.5 GPL

Silex Technology, Inc. will provide the source code subject to GPL/LGPL software under terms and conditions of GPL/LGPL to individuals or groups at their own cost by distributing a media such as CD-ROM, etc. for a period of at least 3 years after the date of purchase upon written request. Please send the request to the email address:

Release Note: Fixed eCable mode error for wireless communication

Warranty and RMA's

Limited Warranty and RMA (Return Merchandise Authorization) Policy