Self-powered from USB CH340G+MAX485 OR SN75176
You can have up to 32 devices on the bus. Dimension: 6.1x1.6x1.3cm (Approx)
Direction control: the use of automatic data flow control, auto distinguish and control data transfer direction
Baud :300-1228800bps, automatically detecting the serial signal data rate
Load capacity: support multipoint, each converter allows RS422 interface device to connect 32
Interface Protection: TVS tube protection, USB self-recovery protection
Support Windows98/ME/2000/XP/WIN7/WIN8/Vista, Linux, Mac