3One data USB8485I Quick Installation Manual

USB8485I Interface Converter
Quick Installation Guide
3onedata Co., Ltd.
Address: 3/B, Zone 1, Baiwangxin High Technology
Industrial Park, Song Bai Road, Nanshan
District, Shenzhen, 518108, China
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.
3. CD 4
5. Certification 6.
7. AM USB head / BM USB head converter line
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 a data exchange interface converter between
USB and RS-485, model is USB8485I (1 USB port +8 isolated
RS-485/422 serial ports +1 9VDC power supply).
【Panel Design】
Front View

Rear view

Bottom view

Quick installation guide
Left view, right view
Warranty card 
Power adapter
1. DC power input terminal block
2. B type USB female head interface
3. Serial port COM1-COM8 transmission data indicators
4. Serial port COM1-COM8 receiving data indicators
5. Power indicator
6. Serial port COM1-COM8
【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,
and then plug the power supply plug contact and power
on.
Power OFF operation: First, remove the power plug,
