4 port USB 2.0 to Serial Industrial Adapter for business or rugged industrial use with mounting options for stability while in operation. We offer many different styles and form factors to support any serial application.

  • 4 Port PCI Express RS422/485 w/ Breakout Cable

    4 Port $179.95 Part No: SG-PCIE4S422485OCT
  • 4 Port PCIe RS422/485 Breakout Cable – Optical ISO & Surge Suppression

    4 Port $299.95 Part No: SG-PCIE4S422485OCTIS
  • 4 port USB Serial Adapter w/ Isolation and Surge Protection

    4 Port $199.99 Part No: CM-41042
  • 4 Port USB to Quad RS-422 485 Optically Isolated Adapter

    4 Port $349.95 Part No: USB-4COMi-SI-M
  • 4 Port USB to RS-232/422/485 Auto Setup Adapter for Win – Linux – Mac

    4 Port $324.98 Part No: USBG-4COM-PRO
  • 4 Port USB to Serial Adapter RS-232 with FTDI Chip

    4 Port $79.95 Part No: USBG-4FTDI-B
  • 4-Port RS-232 USB to Serial Adapter – Octopus Cable DIN Rail

    4 Port $99.99 Part No: USB2-4COM-M-CBL
  • 4-Port RS-232 USB to Serial Adapter Data Control Box

    4 Port $99.98 Part No: USB-4COM
  • 4-Port RS-422 / 485 USB to Serial Adapter

    4 Port $179.95 Part No: USB-4COMi-M
  • 4-Port USB DB-9 Serial Adapter Solution

    4 Port $69.99 Part No: USBG-4X2FTDI
  • 4-port USB to RS232 Adapter FTDI Cable

    4 Port $89.95 Part No: CG-4X232FTDI
  • Industrial 4-Port RS-232 to Ethernet Data Gateway TCP/IP

    4 Port $199.95 Part No: MSD-SRF4X