UT-890A, Interface Converter, UTEK

Standard

Compliant with USBV1.1, 1.0, 2.0 standards; EIA RS-485, RS-422 standards

USB Signal

VCC, DATA+, DATA-, GND, FG

RS-485 Signal

T/R+, T/R-, GND

RS-422 Signal

T/R+, T/R-, RXD+, RXD-, GND

Working Mode

Asynchronous operation; point-to-point or multi-point; 2-wire half-duplex, 4-wire full-duplex

Direction Control

Adopts automatic data flow direction control technology; automatically detects and controls data transmission direction

Baud Rate

300bps–921.6Kbps; automatic detection of serial signal rate

Load Capacity

Supports connection of up to 32 RS-422 or RS-485 devices via multi-point bus converter

Transmission Distance

RS-485/422 up to 1200 m (at 9600bps); USB port no more than 5 m

Interface Protection

Surge protection; ±15KV ESD protection

Interface Type

USB Type-A male connector; DB9 male connector

Signal Indicator

2 signal LEDs for TXD and RXD; 1 power indicator (POWER)

Transmission Medium

Twisted pair or shielded cable

Dimensions

1500mm×36mm×16mm (L×W×H)

Operating Environment

-40℃ to 85℃; relative humidity 5%–95%

Transmission Range

0–1200 m

Supported Systems

Win2000/2003/2008/2012/XP/Vista/7/8/8.1/10/11/CE/Mac/Linux