Product description
Standard: USB2.0 standard, backward compatible, in line with the standard RS485
Direction control: the use of automatic data flow control, auto distinguish and control data transfer direction
Baud :300-9216000bps, automatically detecting the serial signal data rate
Load capacity: support multipoint, each converter allows RS485 interface device to connect 32
Interface Protection: TVS tube protection, USB self-recovery protection
Support for Windows98/ME/2000/XP/WIN7/Vista, Linux, Mac
Support devices with RS485 interface: surveillance cameras, video capture device, fingerprint attendance machine, PBX, CNC machine, microcontroller, etc.

This converter provides two way serial communications signal
conversion between the RS485
to and from a personal computer USB port
using virtual serial COM port.
Self-powered from USB
FT232RL+75176
you can have up to 32 devices on the bus

Package Includes:
2 x USB to RS485 TTL Serial Converter Adapter
1 x USB 2.0 B-USB cable