Features

Standards: conforming to USBV1.0, 1.1 and 2.0

RS-485,RS-422 TIA/EIA Standard

USB signals: VCC, DATA+, DATA-, GND and FG

RS-422 Signal: T/R+,T/R-,RXT+,RXD-,GND; RS-485 signals: T/R+,T/R-.GND

Working mode: asynchronous working,point-to-point or point-to-multipoint 2 wires (half duplex) 4 wires (full duplex)

Single chip USB to asynchronous serial data transfer interface

Direction control: Adopt the technology which automatically controls the data-flow direction,automatically distinguish and control the data-transmission direction;

Support Bits per second Data transfer rates from 300 baud to 921600baud;

UART interface support for 7 or 8 data bits,1 or 2 stop bits and even/odd/mark/space/none

Flow control none,hardware and xon/xoff

Synchronous and asynchronous bit bang interface options with RD# and WR# strobes

Transmission distance: RS-485/422 port:1.2km (300bps-921600bps).USB port : No more han 5 meters

Interface protection: surge protection and ±15KV ESD protection

Load capability; Support point-to-multipoint transmission. Each converter can connect 32 RS-422 or RS-485 interface equipment

Signal indication: indicator lights for Power (PWR), Send (TXD) and Receive (RXD)

Transmission media: twisted-pair cable or shielded cable;

Extended operating temperature range; -40 to 85 ℃

Applications

USB to UART Cable

POS Printer Terminal

Networking System

Industrial and Power Meter

USB Bar Code Reader

USB Digital Camera Interface

USB Wireless/Wired Modem