UOTEK USB to RS485 RS422 Converter USB2.0 8 Ports Adapter with Optical Isolation Surge & ±15KV ESD Protection UT-2003A

Parameter:
Complies with USB 1.1, USB 2.0
Supports RS-422/485 universal port, no need jumper wire
RS-422/485 DB9 male
Enhanced optical isolation(Isolated voltage 2.5V rms/500VDC insulative), special DC/DC module, RS-485 each line with 600W lightning, surge, ±15KV ESD protection
Data (TXD) auto control, zero delay design
Baud rate: 300-128, 000bps
Supports auto-handshake protocol
Supports long distance wake up & power management
Power Input: AC100V-240V/50~60Hz
Consumption: <12W
Dimension: 490x201x44mm
Operating temperature: -25 to 70
Relative humidity: 5% to 95%
Supports Win98/2000/2003/2008/XP/Vista/7/8/CE/Mac/Linux

UT-2003A is a universal USB/RS-485/422 converter, which with built-in optoelectronic isolator and DC/DC power isolated module. It complies with USB, RS422, and RS-485 standards; it converts single side USB signal to a balanced differential RS-422 or RS-485 signal. The built-in optoelectronic isolator can provide as high as 2, 500Vrm isolated voltage; the fast instant voltage restraint is designed to protect RS-422/RS-485 interface; it adopts advanced TVS (TRANSIENT VOLTAGE SUPPRESSOR) instant voltage restraint; normally, TVS tube is in high impedance state; when both sides of TVS tube suffer from high power impact in a sudden, the voltage restraint will fast lower the impedance from both sides, and absorb in big current; with this, the voltage on both sides are fixed at presupposed value, protects the component of circuit from damage. This voltage restraint provides 600W each wire with lightning and ESD protection, and surge voltage and instant overvoltage protection on circuit which causing by all reasons; the tiny interelectrode capacitance ensures high speed transmission for RS-422/485 ports. RS-422/RS-485 adopts DB9 male as connector. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTU, DTR); there is no need jumper wire setting for full duplex (RS-422) and half duplex (RS-485) mode, plug & play.

It is compatible with current communication software and hardware.

UT-2003A optoelectronic isolated converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 128 sets RS-422 or RS-485 devices with baud rate 300-128, 000bps. The power and data flow indicators indicate the working status.