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High Quality USB 2.0 to RS422 RS485 Converter Cable 1.2M Gold-Plated DB9 Male USB to RS422 RS485 Adapter Cable

This universal USB2.0TORS422/RS485 converter requires no external power supply and is compatible with JSB2.0, RS422 and RS485 standards. It can convert a single end USB signal into a balanced differential RS422 or RS485 signal, providing a surge protection power of 600W per line. And various reasons of the surge voltage generated on the line and minimal electrode capacitance to ensure the RS422/RS485 interface high-speed transmission, RS422, RS485 end through the DB9 male connector. Internal converter with zero delay automatic transceiver conversion, only
Some /○ circuits automatically control the direction of the data flow without any handshake. For example, (such as RTS, DTR, etc.) no jumper cable Settings to achieve full duplex (RS422), half duplex (RS485) mode conversion, plug and play. Ensure that all existing communication software and interface hardware is suitable.

Product Origin:
china
Brand:
DTECH
Item NO.:
dt-5019
Shipping Port:
guangzhou\shenzhen

Product Details

Main function
The dtech USB 2.0 to RS422/RS485 interface converter supports the following four communication modes
1. Point-to-point/four-wire full-duplex;
2. Point-to-multipoint/four-wire full-duplex; 3. Point-to-point/two-line half-duplex;
4. Point-to-multipoint/two-wire half-duplex
When the converter is connected as a full duplex or half duplex, a matching resistor (120 ohm 1/4W) should be connected at the end of the line to prevent signal reflection and interference.
Three, hardware installation and application

Before installing the USB to RS485/422 interface converter, read the product manual carefully and connect the communication cable provided with the product to the USB port. This product uses USB/DB-9 and the universal connector is input/output

The interface automatically realizes RS422 or RS485 communication mode without jumper setting. It can be connected and disassembled easily by twisted pair or shielded cable. Four wires T/R+, T/ r-rxd +, and RXD- are connected for point-to-point, point-to-multipoint, full-duplex communication. Two wires T/R+ and T/R- are connected for point-to-point, point-to-multipoint, half-duplex communication.

performance parameters

1, standard: in line with USB2.0 standard, downward compatible, in line with RS422, RS485 standards; 2, USB signal :VCC, DATA+, DATA-, GND; 3, RS422 signal: T/R+, T/R-, RXD+, RXD-, GND; 4RS485 signal: T/R+, T/R-, GND; Working mode: asynchronous operation, point-to-point or multi-point, 4-line full-duplex, 2-line half-duplex; Direction control: using data flow automatic control technology, automatic discrimination and control of data transmission direction; Baud rate :460800bps. Automatic detection of serial signal rate :g Load capacity: support point to multipoint, each converter can be connected to 32 RS422 or RS485 interface devices; Transmission distance :RS422/485 end 1200 meters, USB cable is not more than 5 meters; 10 interface protection: surge 600W protection power, +15KV electrostatic protection; 11 Interface form :USB end A class interface male, DB9 male connector connection :12, signal indication: red light power supply, green light to send signals, yellow light to receive signals;
13 Transmission medium: twisted pair or shielded wire;
14 Transmission rate :300-460800bps;

15, use environment :-25C to 70C, relative humidity is 5% to 95%; 16, support Windows98 / ME / 2000 / XP/Vista / 7, Linux, MACWince.

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USB 2.0 to RS422 RS485 Converter USB to RS422 RS485 Adapter Cable High Quality Converter Cable 1.2M

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High Quality USB 2.0 to RS422 RS485 Converter Cable 1.2M Gold-Plated DB9 Male USB to RS422 RS485 Adapter Cable