USB44850 pages
USB to RS-232/RS-485/RS-422 Converters
USB4485
USB to 4-port RS-485/422 Hub
Features
1. USB to 4-port RS-485/422 converters
2. Single chip(ASIC) USB port to serial port communication
3. Support Windows98/ME and Windows2000/XP,
Windows Server 2003/2008, Windows 7/Vista
4. Support powered from USB or 5VDC external power input
5. No IRQ, I/O Address
6. Support USB2.0, baud rate can reach up to 12Mbps
7. 15KV ESD protection
Introduction
A quick and easy way to expand your PC's port count and to adapt
480 Mbps high-speed requirement of Hi-Speed USB 2.0. Using your
serial devices to your USB PC. Edge port USB-to-Serial converters
computer’s USB ports to connect serial devices reduces the total cost
are intelligent expansion units that connect to a PC, thin client or
of ownership, investment in hardware, and long term management
server via a USB port. USB4485 provides four RS-485/422 serial
and integration costs.
ports, is compliant with USB 1.1 and 2.0 specifications, and meet the
Specification
USB
Flow Control: RTS/CTS, XON/XOFF
Compliance: USB1.1/2.0 compliant
FIFO: 128bytes
USB signal: VCC, DATA+,DATA-,GND
Driver Support
Speed: 480Mbps(high-speed), 12Mbps(full-speed)
Operating System: Support Windows98/ME and Windows2000/XP,
Connector for External Antenna: USB type B female
Windows Server 2003/2008, Windows 7/Vista
RS-485/422
Power
Standards: RS-485, RS-422
Power input: 5VDC power input
Number of Ports: 4
Consumption: 300mA
Connectors: DB9 male
Environment
RS-422 signal: TX+(A), TX-(B), RX+(A), RX-(B),GND
Operating temperature: -10°C to 60°C
RS-485 signal: D+(A), D-(B),GND
Storage temperature: -40°C to 85°C
Working mode: Asynchronous, point to point, 2 wires half duplex, 4
Humidity: 5% to 95%(no condensation)
wires full duplex
Appearance
Transmission: 1200m
Dimensions: 160.0mm×94.0mm×28.0mm
Interface protection: 1500W surge protection,15KV ESD protection
Material: Iron(shell)
Baud rate: 300bps to 230400bps
Color: White
Parity: None, Even, Odd, Space, Mark
Weight: 500g
Data bits: 7, 8
Warranty: 5 years
Stop bits: 1, 2
Approvals: FCC, CE, RoHS approvals
Packing List
1. USB4485×1
2. 5VDC power adapter ×1
3. CD for software ×1
3. User manual ×1
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