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. USB4485provides four RS-485/422serial 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.
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


Compliance: USB1.1/2.0 compliant
Speed: 480Mbps(high-speed), 12Mbps(full-speed)
Connector for External Antenna: USB type B female
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
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 input: 5VDC power input
Consumption: 300mA
Operating temperature: -40°C to 85°C
Storage temperature: -40°C to 85°C
Humidity: 5% to 95%(no condensation)
Dimensions: 160.0mm×94.0mm×28.0mm
Material: Iron(shell)
Color: White
Weight: 500g
Warranty: 3 years
Approvals: FCC, CE, RoHS approvals