Specific:
Serial Protocol: RS485 / RS422
Specification: USB 2.0; EIA/TIA RS485 and RS422 standard
Chip: FTDI
Max Baud Rate: 921600bps

Max Distance (RS485/422 End): 984ft (300m) at 921600bps, 1968ft (600m) at 38400bps, 3937ft (1.2km) at 9600bps;
USB-bus powered, no external power needed.
Automatic hand-shaking protocol supported.
Item Length: 1.5 Feet
Important Note:
The USB end must be connected to PC or Mac. Other USB devices like digital camera, scanner and printer is not allowed.
To avoid reflections on longer cables it is necessary to use appropriate termination resitors (120Ω, 1/4W).
Please do NOT connect the adapter to RS422/ RS485 device until you install the driver on your computer or Mac.
4 Kinds of Working Modes: Asynchronous
Point to point / four wires full duplex;
Point to multiple point / four wires full duplex;
Point to point / two wires half duplex;
Point to multiple point / two wires half duplex.
Applications:
Factory automation system
Distributed control system
LED INFO display equipment
PLC control and management
CNC management
SCADA(Supervisory control and data acquisition)
Medical treatment/medication automation
Building automation
Check on work attendance
Human resource management.
Measuring instruments and monitoring system
Data collection
Process contro
material: plastic
Color as shown

Package Contents:
1 x USB to Serial Converter Cord
1 x RS422 RS485 Serial DB9 to Terminal Block Adapter