Description USB signal VCC DATA DATA GND FGRS422 signal T R T R RXD RXD GNDRS485 signal T R T R GNDBaud rate 300 9216000bps automatic detection of serial signal speed Interface form USB type A interface male head DB9 male connector connectorDirection control Using data flow automatic control technology automatic discrimination and control ofdata transmission direction The signal indicates that the red light is the power supply the green light is thesending signal and the yellow light is the receiving signal Features Baud rate automatic detection and zero delay automatic transmission so you can get high speed data transmission through the RS 485 or RS 422 interface Effectively protect your expensive and sensitive control equipment against electrical damage 600W static surges and 15kV electrostatic protection FTDI Chip supports the widest possible OS compatibility Windows Linux and for Mac The shielded cable supports four wires full duplex two wires half duplex point to point point to multi point communication4 Kinds of Working Modes AsynchronousPoint 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 Package Included 1 x USB to Serial Converter Cord1 x RS422 RS485 Serial DB9 to Terminal Block AdapterMore Details