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  1. USB2 to 8-Port RS232-422-485 Serial TB Adapter

    8 RS-232/422/485 ports with terminal block connection, the USB2-8COMi-TB is a USB2 to 8-port industrial serial adapter that protects your device(s) with 15KV ESD protection and 600W surge protection. Learn More
  2. USB 2 to Industrial 4-Port RS232-422-485 Serial TB Adapter

    4 optically isolated and surge protected terminal block ports, the USB2-4COMi-TB USB to quad port industrial serial adapter is designed to make RS-422 and RS-485 serial port expansion quick and easy. Learn More
  3. USB 2.0 to 4-Port RS232-422-485 Serial TB Adapter Isolation | Surge
    $239.95

    4 optically isolated and surge protected terminal block ports, The USB2-4COMi-SI-TB is a USB 2 to 4-port industrial serial adapter that protects you device(s) with optical Isolation, 15KV ESD. Learn More
  4. FTDI Chip USB to RS-485/422 Industrial Isolated w/ DB-9/RJ45/Terminal Screw

    Optically Isolated Industrial USB to RS485 / RS422 serial adapter that is designed with DB-9, RJ45, and Terminal Screw Output interfaces. Used in serial applications such as serial printers, scanners, GPS, and consumer equipment. Learn More
  5. Dual Port Serial RS422/485 PCIe Card, w/ 2 DB9 Connectors

    Regular Price: $50.04

    Special Price $25.03

    The SG-PCIE2S422485 RS422/485 to PCI Express card is designed for your PC, workstation, thin client, or server to provide instant RS422/485 Serial port expansion via the PCI Express bus. Learn More
  6. Quad Port Serial RS422/485 PCIe Card

    Regular Price: $134.19

    Special Price $40.26

    The SG-PCIE4S422485OCT RS422/485 to PCI Express card is designed for your PC, workstation, thin client, or server to provide instant RS422/485 Serial port expansion via the PCI Express bus. Learn More
  7. Dual Port Serial RS-422/485 PCI Card

    Regular Price: $113.30

    Special Price $33.99

    The SG-PCI2S422485IS RS-422/485 to PCI card is designed for your PC, workstation, thin client, or server to provide instant RS-422/485 Serial port expansion via the PCI bus. Learn More
  8. Dual Port Serial RS422/485 PCI Card - Isolation and Surge Protection

    Regular Price: $61.59

    Special Price $18.48

    The SG-PCI2S422485OCTIS RS-422/485 to PCI card is designed for your PC, workstation, thin client, or server to provide instant RS-422/485 Serial port expansion via the PCI bus. Learn More
  9. Single Port Serial RS422/485 PCIe Card

    Regular Price: $65.99

    Special Price $39.59

    The SG-PCIE1S422485 RS422/485 to PCI Express card is designed for your PC, workstation, thin client, or server to provide instant RS422/485 Serial port expansion via the PCI Express bus. Learn More
  10. 1 Port PCI Express RS422/485 w/ Optical Isolation

    Regular Price: $126.49

    Special Price $37.95

    1 Port RS422/RS485 PCI Express Card provides electrical protection for your serial devices. It maintains a scalable, high-speed serial I/O bus interface. Supports low profile form factor and DB9 male connector. Learn More

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