- Brand Name: HighTek
- Model Number: HU-02
- Place of Origin: Guangdong, China (Mainland)
- Use: Computer
- USB Type: Standard
- Product name: HighTek HU-02 USB/RS-232 Interface Converter
- Standards:: conforming to USBV1.0, 1.1 and 2.0 and EIARS-232
- USB signals:: VCC, DATA+, DATA-, GND and FG
- RS-232 signals:: DCD RXDTXD DTR GND DSR RTS CTS RI
- Working mode:: asynchronous point-to-point
- Transmission distance:: 5 meters for RS-232 and less than 5 meters for USB
- Interface protection:: +-15KV electrostatic protection
- Interface forms:: USB A type male connector and DB9 male connector
- Signal indication:: 9 indicator lights for Power (PWR), Send (TXD) and Receive (RXD)
- Transmission media:: twisted-pair cable or shielded cable
Packaging & Delivery
|Delivery Detail:||Shipped in 2 days after payment|
With rapid development of computer industry, USB is taking the place of various kinds of traditional low speed peripheral interfaces. However, RS-232 interface designs are still used in many of the important facilities under current industrial environment; therefore, converter is used by many users to implement the data transmission from USB of a computer to RS-232 equipment.
|Standards:||conforming to USBV1.0, 1.1 and 2.0 and EIARS-232.|
|USB signals:.||VCC, DATA+, DATA-, GND and FG|
|RS-232 signals:||DCD RXDTXD DTR GND DSR RTS CTS RI|
|Working mode:||asynchronous point-to-point.|
adoption of automatic data stream control for automatic recognition and
control of data transmission direction.
300-921.6Kbps, automatic detection of the transmission rate of
the serial interface signal.
|Transmission distance:||5 meters for RS-232 and less than 5 meters for USB.|
|Interface protection:||+-15KV electrostatic protection.|
|Interface forms:||USB A type male connector and DB9 male connector.|
|Signal indication:||9 indicator lights for Power (PWR), Send (TXD) and Receive (RXD).|
|Transmission media:||twisted-pair cable or shielded cable.|
|Working environment:||-25℃ to 70℃ , relative humidity 5%to 95%|
|Windows95/98/2000/XP/7/Vista and IMAG are supported.|
|Both BUS and external power supply are supported.|
Connectors and signal
1. DB9 male: RS-232 output signals and PIN assignment.
2. USB A male: output signals and PIN assignment
Communication Connection Chart
1- Standard USB A type male connector
2- Filter magnetic pole
3- Transparent and shielded standard 2.0 communication line
4- Fine shell(blue)
5- Standard DB9 male connector
6- MCU adopts the product of the TaiWan chip
USB to RS-232 Communication
1.DCD 2,RXD 3,TXD 4,DTR 5,GND 6,DSR 7,RTS 8,CTS 9,RI
Problems and troubleshooting
1. Data communication failure
A. Check to make sure USB cable is OK.
B. Make sure RS-232 output interface connection is correct.
C. Make sure power supply is OK.
D. Make sure the wire terminal connection is OK.
E. Make sure the indicator lights flash when receiving.
F. Make sure the indicator lights flash when sending.
2. Data missing or incorrect
A. Check to see whether the data rate and format at both ends of thecommunication equipment are consistent.
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