SY-Multi-4U RS232

USB to 4 ports Serial Adapter/Converter

Anewtech Systems Industrial Serial Device USB to Serial Converter SystemBase SY-Multi-4U-RS232
  • USB to 4 ports Serial Adapter/Converter
  • Supports USB Rev. 2.0
  • Communication speed: Up to 921.6kbps
  • Display communication status via TX/RX LED
  • Power to the pin – deliver +5V to pin 9
  • ±15kV Surge protection
Product Specification
Interface Type
  SpecificationUSB Specification Rev. 2.0, Hi-Speed
  Number of ports4
  Maximum Speed921.6Kbps
  Signal LinesRS232: TXD, RXD, GND, RTS, CTS, DTR, DSR, DCD, RI
  Surge Protection15KV Surge protection
  Flow ControlRTS/CTS, XON/XOFF
  ConnectorDE-09S (DB9 Female)
  Supported OSWindows 7/8/8.1/10
Windows Server 2008, 2012
Operating Environment
  Operation Temperature0 ~ 50 °C
  Storing Temperature-20 ~ 70 °C
  Humidity5 ~ 95% Non-Condensing
  CertificatesCE, FCC, KC

Easily and quickly add additional serial ports to your system through the USB port. The Multi-4U delivers maximum performance up to 921.6Kbps. The USB to Serial Multiports support most Windows and Linux operating systems and include 15,000 volt surge suppression eliminating blown ports.

The Multi-4U includes a 4 port panel with a DB9 connector and is available in two models, RS232 and RS422/RS485. Simply plug in the USB connector and you have a COM port to connect modems, printers, bar-code scanners or other any serial devices.

Connector Panel:

  • The Multi-4U plugs into the USB port on your system. The connector panel has four DB9 female connectors and is available with support for either RS232 or RS422/RS485. LEDs next to the connector provide visual communication status of the ports. No additional power supply is required.

Supports USB Specification Revision 2.0:

  • The Multi-4U supports revision 2.0 and is compatible with revision 1.1

15KV Surge Protection – Built-in:

  • Don’t risk blown ports and down time. The Multi-4U has built-in 15,000 volt surge suppression to protect against electrical spikes and blown ports giving you more reliable communications.