3onedata USB4485 Quick Installation Manual

USB4485 Interface Converter
Quick Installation Guide
3onedata Co., Ltd.
Address: 3/B, Zone 1, Baiwangxin High Technology
Industrial Park, Xili,
Shenzhen
Website: www.3onedata.com
Tel: +86 0755-26702688
Fax: +86 0755-26703485
【Package Checklist】
Please check whether the package and accessories are intact
while using the device for the first time.
1. Interface converter
2. 5VDC Power adapter
3. CD
4 Quick installation guide
5. Warranty card
6. Certification
If any of these items are damaged or lost, please contact our
company or dealers, we will solve it ASAP.
【Product Overview】
The product is an interface converter for data exchange
between USB and RS-485/422, model is USB4485 (1 USB
port + 4 RS-485/422 serial ports + 1 5VDC power supply).
【Panel Design】
Front View

Rear View

Top view

Nanshan District,
1. USB Type-B (Female)
2. Serial port 4 data receiving&transmitting indicator
3. Serial port 3 data receiving&transmitting indicator
4. Serial port 2 data receiving&transmitting indicator
5. Serial port 1 data receiving&transmitting indicator
6. Power supply indicator PWR
7. DB9 RS-485/422 terminal blocks (COM1-COM4)
8. Power input terminal (5VDC)
【Mounting Dimension】
Unit: mm
Notice Before Mounting:
Don't place or install the device in area near water or

moist, keep the relative humidity of the device
surrounding between 5%~95% without condensation.
Before power on, first confirm the supported power

supply specification to avoid over-voltage damaging the
device.
The device surface temperature is high after running;

please don't directly contact to avoid scalding.
Notice Before Power on:
Power ON operation: First insert the power supply

terminal block into the device power supply interface,
then plug the power supply plug contact and power on.
Power OFF operation: First, remove the power plug,

then remove the wiring section of terminal block. Please
pay attention to the above operation sequence.
【Power Supply Connection】
USB Power Input

The front panel of the device provides 1 USB storage port,
adopting Type-B connection mode.