The days of on-board communication ports other than USB are virtually just a memory now, but they’re still very common. RS-485/422 is commonly found in thermal printers (eg, point of sale), modem communications, and more. This converter provides that connection from your modern USB port with great reliability.
For use with POS systems, modems, computers
Automatically detects serial signal rate
No external power required
Plug and play
Band Rate: 300bps-921kbps
Interface: USB 2.0
Data Transmission: Up to 480Mbps
Standards: TIA/EIA RS-485/RS-422