User Guide

USB to RS422 or RS485 Adapters Cable

Instructions for use

SKU

ASIN

Length

CQRCK701

B08K99F447

1.2 Meters

CQRCK702

B08QMQXNV9

2.2 Meters

CQRCK703

B08K9937M6

3.2 Meters

Description

With the continuous development of the PC industry, USB interface is substituting the old

industrial and low speed PC interface, but there are so much important equipment still

use the RS422 or RS485 interface in the industrial environment. So many users have to

use the USB to RS422 or RS485 converter to realize the data transfer between PC and

RS422 or RS485 equipment.

USB to RS422 or RS485 is auniversal converter of USB to RS422 or RS485 which is

without addition power supply, compatible with USB, RS422, RS485 standards, It can

convert USB signals to a balanced differential RS422 or RS485 signals. Each line has

surge protection, and various surge voltage protections. The tiny capacitance distance

RS422 or RS485 interface of high-speed transmission. RS422, RS485 connect by RJ45

and DB9 interface. Converter with zero delay automatic transceiver inside, unique I/O

circuit automatically control data flow direction, without any handshake signals (such as

RTS, DTR, etc.) and jumpers set realize full-duplex, half-duplex mode conversion, plug

and play. Ensure the product fix for all existing communication software and hardware

interface.

USB to RS422 or RS485 converters for point-to-point, point-to-mujlti point reliable

communlcations. Provides the point to more each converter allows connecting 32 RS422

or RS485 devices, data rate of 300 to 921600bps. The power and data flow indicator light

will show fault if any breakdown. Support of com-munication has USB to RS422 USB to

RS485.

Funcition

Interface converter can provide point-to-point, point-to-multipoint communication and

provide reliable connections. Point-to-multipoint each converter can be connected to 32

PAGE 1
USB to RS422 or RS485 Adapters Cable Instructions for use SKU ASIN Length CQRCK701 B08K99F447 1.2 Meters CQRCK702 B08QMQXNV9 2.2 Meters CQRCK703 B08K9937M6 3.2 Meters Description With the continuous development of the PC industry, USB interface is substituting the old industrial and low speed PC interface, but there are so much important equipment still use the RS422 or RS485 interface in the industrial environment.
PAGE 2
RS422 or RS485 interface devices, transfer rates: 921600bps to 300M, 38400bps to 600M, 9600bps to 1.2KM, with power indicator light and quantity indicator can indicate the fault condition. Supported communication methods are USB to RS422, USB to RS485 conversion; USB to RS422 or RS485 converter supports about four kinds of communication: 1. 2. 3. 4.
PAGE 3
Interface and Signal Connection Instruction
PAGE 4
Regulare Failure and Failure Elimination 1. Communication failure: A. Check the USB port with connecting righe; B. Check RS422/RS485 Output with connecting right; C. Check the power of device; D. Check the Terminal blocks work; E. Check the indicator flicker when receiving; F. Check the indicator flicker when sending; 2. Data loss or date fault: A. Check the data transmission utilization ratio with same format.