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USB 2.0 to rs422 adapter,USB to rs485 converter
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Product Details
Place of Origin | Guangdong, China | Brand Name | YJS | |
Model Number | YJS-usb232 |
Product Description
USB 2.0 to rs422 adapter,USB to rs485 converter
Performance parameters:
- Standards: conforming to USBV1.0, 1.1 and 2.0 and EIARS-232.
- USB signals: VCC, DATA+, DATA-, GND and FG.
- RS-232 signals: DCDRXDTXD DTR GND DSR RTS CTS RI
- Working mode: asynchronous point-to-point.
- Direction control: adoption of automatic data streamcontrol for automaticrecognition and control of data transmission direction.
- Baud rate: 300-921.6Kbps, automatic detection of the transmission rate of theserial interface signal.
- Transmission distance: 1200 meters for RS-485422 and less than 5 meters for USB.
- Interface protection: +-15KVelectrostatic protection.
- Interface forms: B interface female connector and DB9 male com port connector for USB.
- Transmission media: twisted-pair cable or shielded cable.
- Dimensions: 1555mmX55mmX36mm.
- Working environment: -25°C to 70°C , relative humidity 5%to 95%
- Windows95/98/2000/XP/Win 7/Vista and IMAG are supported.
- Both BUS and external power supply are supported.
Connector and signal:
RS-485/RS-422 output signals and PIN assignment
DB9 Connector(PIN) | Output Signal | RS-422 full-duplex | RS-485 half duplex |
1 | T/R+ | Sending (A+) | RS-485(A+) |
2 | T/R- | Sending(B-) | RS-485(B-) |
3 | RXD+ | Receiving(A+) | NULL |
4 | RXD- | Receiving(B-) | NULL |
5 | GND | Grounding | Grounding |
6 | N/A | ||
7 | N/A | ||
8 | N/A | ||
9 | N/A |
2. USB-B female: USB output signals and PIN assignment
Communication Connection Chart
1- Standard USBAtype 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-485422 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.
1.We also provide 15-month free maintenance. The buyer should return the Surge Protector product in the original conditions to us and should bear the shipping costs for return. If any part is required to be replaced, the buyer should also pay for the costs of the parts to be replaced.
2.Before returning the items, please confirm the return address and the logistics method with us. After you give the items to the logistic company, please send us the tracking number. As soon as we receive the items, we will repair or exchange them ASAP.
3.We will refund you if you return the items within 15 days of your receipt of the items for any reason. However, the buyer should make sure that the Surge Protector items returned are in their original conditions. If the items are damaged or lost when they are returned, the buyer will be responsible for such damage or loss, and we will not give the buyer a full refund. The buyer should try to file a claim with the logistic company to recover the cost of damage or loss.
The buyer will be responsible for the shipping fees to return the items.
Shenzhen Yongjiasheng Technology Co.,LTD. is a direct supplier of security cameras(CCTV,network IP,and AHD),video surveillance systems,and CCTV equipment (Closed Circuit Television ) for home, business and government.In addition to IP Cameras and systems,we also manufacture network IP cameras,AHD cameras,and hundreds of video surveillance accessories.Most of our IP Cameras include DVR viewer software for Windows and Mac PCs,as well as mobile surveillance viewer apps for iphone, ipad,and Android devices.We offer many complete systems that are pre-configured and easy to install.
Our IP Cameras provides the best customer service & technical support in the industry.We also strive to provide the most competitive pricing possible on surveillance systems,security cameras,surveillance equipment,and DVR cards.
1. Bnc to vga converter Item will be shipped within 1-3 business days.
2. Delivery Time:
Via Express: Generally 3-10 working days.
Via Air Mail: Generally 10-30 working days.
3. We only ship bnc to vga converter to confirmed order addresses. Your order address MUST MATCH your Shipping address.
4.SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
5. We do not guarantee delivery time on all international shipments due to differences in bnc to vga converter customs clearing times in individual countries, which may affect how quickly your bnc to vga converter product is inspected.
6.The shipping bnc to vga converter cost does not include any import taxes, and buyers are responsible forbnc to vga converter customs duties.
7. If you have not received your bnc to vga converter shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
If you are interested in our product,pls feel free to contact us, we are glad to establish bussiness relations with you.
Skype: sales9(@)
Email : sales9(@)
Trade Manager: cn1511263825
Whatsapp:18316640124
Tel : +86 18316640124
Contact: Miss.Jessica Lin
Contact Us
- Shenzhen Yongjiasheng Technologies Co., Ltd.
- Contact nameLeo Lee Chat Now
- Phone0086-0755-13554895521
- Addressfutian, Shenzhen, Guangdong
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