Black Box USB to RS422/485 Converter with Opto-Isolation

Great for linking older serial devices to computers or laptops with USB ports. Offers 2-wire RS-485 or 4-wire RS-422/RS-485 operation. Holds connections tight with its high-retention USB connector. USB 1.0, USB 1.1, and USB 2.0 compatible (12 Mbps). Interface powered. No external power required. Serial terminal block can be removed for easy wiring. LEDs indicate transmitting and receiving of data. This compact device quickly converts USB port connections to RS-422/485 so you can connect legacy serial devices to a newer PC or laptop. Continue to use legacy commercial and industrial RS-422/485 devices without making any changes to the applications written ...