3One data USB4485 Manuale utente
USB4485
USB to 4 ports RS485/422 converter
User manual
Shenzhen 3onedata Technology Co.,Ltd
Tel: +86-755-26702688 Fax: +86-755-26703485
www.3onedata.com
USB4485 User Manual
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Contents
1. Introduction............................................................................................................................................3
2. Packing List........................................................................................................................................... 3
3. Features................................................................................................................................................... 3
4. Specifications....................................................................................................................................... 3
5. Panel Layout..........................................................................................................................................4
5.1 Front Panel.......................................................................................................................................4
5.2 Front Panel.......................................................................................................................................4
5.3 RS-232 Pinout..................................................................................................................................5
6. Dimension............................................................................................................................................... 5
7. Driver Installation................................................................................................................................5
7.1 Driver installation...........................................................................................................................5
7.2 Change serial port properties.....................................................................................................8
USB4485 User Manual
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1. Introduction
A quick and easy way to expand your PC's port count and to adapt serial devices to your USB
PC. Edge port USB-to-Serial converters are intelligent expansion units that connect to a PC,
thin client or server via a USB port. USB4485 provides four RS-485/422 serial ports, is
compliant with USB 1.1 and 2.0 specifications, and meet the 480 Mbps high-speed
requirement of Hi-Speed USB 2.0. Using your computer’s USB ports to connect serial
devices reduces the total cost of ownership, investment in hardware, and long term
management and integration costs.
2. Packing List
USB4485 product is shipped with the following items:
◎USB4485×1
◎5VDC power adapter ×1
◎CD for software ×1
◎User manual ×1
3. Features
◎USB to 4-port RS-485/422 converters
◎Single chip(ASIC) USB port to serial port communication
◎Support Windows98/ME and Windows2000/XP,Windows Server 2003/2008, Windows
7/Vista
◎Support Linux, Mac
◎Support powered from USB or 5VDC external power input
◎No IRQ, I/O Address
◎Support USB2.0, baud rate can reach up to 12Mbps
◎15KV ESD protection
4. Specifications
USB
Compliance: USB1.1/2.0 compliant
USB signal: VCC, DATA+, DATA-, GND, FG
Speed: 480Mbps (high-speed), 12Mbps (full-speed)
Connector for External Antenna: USB type B female
RS-485/422
Standards: RS-485, RS-422
Number of Ports: 4
Connectors: DB9 male
RS-422 signal: TX+(A), TX-(B), RX+(A), RX-(B),GND
RS-485 signal: D+(A), D-(B),GND
Working mode: Asynchronous, point to point, 2 wires half duplex, 4 wires full duplex
USB4485 User Manual
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Transmission: 1200m
Interface protection: 1500W surge protection,15KV ESD protection
Baud rate: 300bps to 230400bps
Parity: None, Even, Odd, Space, Mark
Data bits: 7, 8
Stop bits: 1, 2
Flow Control: RTS/CTS, XON/XOFF
FIFO: 128bytes
Driver Support
Operating System: Support Windows98/ME and Windows2000/XP,Windows Server
2003/2008, Windows 7/Vista
Power
Power input: 5VDC power input
Consumption: 300mA
Environment
Operating temperature: -10°C to 60°C
Storage temperature: -40°C to 85°C
Humidity: 5% to 95%(no condensation)
Appearance
Dimensions: 160.0mm×94.0mm×28.0mm
Material: Iron(shell)
Color: White
Weight: 500g
Warranty: 3 years
Approvals: FCC, CE, RoHS approvals
5. Panel Layout
5.1 Front Panel
USB：USB connector
RX1, TX1, RX2, TX2, RX3, TX3, RX4, TX4: COM1 ～4 port receive and send
indicator
PWR: power indicator
5.2 Front Panel
COM1～4：RS-485/422port
USB4485 User Manual
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Power input jack: 5VDC power supply
5.3 RS-485/422 Pinout
RS-485: 1 D-(B) 2 D+(A)
RS-422: 1 TX-(B) 2 TX+(A)
3 RX+(A) 4 RX-(B)
DB9M
6. Dimension
7. Driver Installation
7.1 Installing the Driver for the Converter(first time use the USB4232)
The operating system will automatically detect the USB232. when you plug it into one of your computer’s
USB ports. If you have installed the latest USB4232 driver, the USB4232’s serial port will be installed
automatically. If the USB4232 and the serial ports are not installed automatically, follow the instructions
below.
I. After connecting the USB cable from the USB4232 to the host PC, Windows XP will automatically
detect the new USB4232, and the Found New Hardware balloon will open in the bottom right corner of the
Windows desktop.
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Product information prompting: USB to RS485/422
II. Driver installation guide. Select Yes, this time only. Click Next to start the installation.
III. Select the installation path.
IV. Program loading.
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V. Loader success, indicates that Windows has completed the driver installation. Click
Finish to proceed with the rest of the installation procedure.
VI. Found virtual port, select the installation path again.
USB4485 User Manual
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VII. Repeat 3 times install the driver for the port, It created 4 virtual serial port in the PC.
The Found New Hardware balloon will reappear to inform you that the hardware was
installed successfully. You can see them in Device Manager as follows(COM4~COM7):
7.2 Configuring serial port properties
After the driver has been installed, use Windows’ Device Manager to configure the
USB4485 serial ports. (click Start →Settings →Control Panel →System, select the
USB4485 User Manual
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Hardware tab, and then click Device Manager. )
Right click the serial port, select properties, you can see the information of serial port
properties in General, Port Setting, Driver, Details (generally, configuring is not necessarily,
cause USB4485 can automatically detect data).
Select Advanced settings for COM, you can redistribute the port.(If you click the Restore
Defaults, all the settings will return to Factory default settings)
NOTE:
In use: the port is used.
After change serial port properties, must select scan the hardware again or reinsert USB
cable, otherwise, the port is not displayed.
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