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. 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.
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

Specifications:
USB

Compliance: USB1.1/2.0 compliant
USB signal: VCC, DATA+,DATA-,GND
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
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: -40°C to 85°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