USB to RS-422/485 Converters - ULI-340 Series


Converts USB to RS-422/485 by adding 1 or 4 serial ports (up to 921.6 kbps), with optical isolation protection from voltage spikes/ground loops.

  • ADAM-4561


    ADAM-4561/4562 allows PC users to connect a serial device to a system that use a USB interface. To attach the ADAM-4561/4562 to a PC, you don’t need to open the chassis or power down your PC. Instantly get one or two extra high-speed RS-232/422/485 ports. The power is derived from the USB port, so there are no power adapters to deal with. Thismakes the ADAM-4561/4562 especially suitable for modems, printers, POS systems and industrial control devices.


  • BB-USO9ML4


    Supports 2-wire RS-485 or 4-wire RS-422/485, long range and multi-drop communication. Easy to set up with DB9 Male and a high retention USB connector that works with a standard USB cable, which is included. LEDs indicate transmit and receive. USB Port Powered.


  • BB-USOPTL4


    Supports 2-wire RS-485 or 4-wire RS-422/485. Long range, multi-drop communications. Easy to set up with plug in terminal block on RS-422/485 side and a high retention USB connector that works with a standard USB cable (included). LEDs indicate Transmit and Receive. USB Port Powered.


  • BB-USOPTL4-2P


    Two serial ports, 2-wire RS-485 or 4-wire RS-422/485. Long range, multi-drop communications. Easy to set up with plug in terminal blocks on RS-422/485 side and a high retention USB connector that works with a standard USB cable (included). LEDs indicate transmit and receive. 10-30 VDC Power input.


  • BB-USOPTL4-4P


    Four serial ports, 2-wire RS-485 or 4-wire RS-422/485. Long range, multi-drop communications. Easy to set up with plug in terminal blocks on RS-422/485 side and a high retention USB connector that works with a standard USB cable (included). LEDs indicate transmit and receive. 10-30 VDC power input.


  • BB-USOPTL4DR-2


    Two serial ports, 2-wire RS-485 or 4-wire RS-422/485. Long range, multi-drop communications. Easy to set up with plug in terminal blocks on RS-422/485 side and a high retention USB connector that works with a standard USB cable (included). LEDs indicate transmit and receive. USB Port Powered.


  • BB-USOPTL4-LS


    Supports 2-wire RS-485 or 4-wire RS-422/485. Long range, multi-drop communications. Easy to set up with plug in terminal block on RS-422/485 side and a high retention USB connector that works with a standard USB cable (included). LEDs indicate transmit and receive. USB Port Powered.


  • BB-USPTL4


    Supports 2-wire RS-485 or 4-wire RS-422/485. Long range, multi-drop communications. Easy to set up with plug in terminal block on RS-422/485 side and a high retention USB connector that works with a standard USB cable (included). LEDs indicate transmit and receive. USB Port Powered.


  • BB-USPTL4-LS


    Supports 2-wire RS-485 or 4-wire RS-422/485. Long range, multi-drop communications. Easy to set up with plug in terminal block on RS-422/485 side and a high retention USB connector that works with a standard USB cable (included). LEDs indicate transmit and receive. USB Port Powered.


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