Model: HXSP-2108G
Name: USB 2.0 To RS-485/RS-422 Converter
Description :
HXSP-2108G provides a simple and easy way to connect Universal Serial Bus(USB) and Serial port interface, With the advantage of USB port, user have the capability to utilize the peripheral with serial port interface in an easy to use environment such as plug and play & hot swap function, This adapter is designed for ideal connections to Cellular phone, Digital Camera, modems or ISDN terminal adapter with over 1Mbps data transfer rate.  
Specification & Features:
USB specification revision 1.1 & 2.0 compliant.
Small volume, easy installation
No power supply needed.
Auto sense serial signal rate, zero delay automatic transmit
Baud rate: 300~115200bps, automatic sense serial signal rate
Transmit distance reach up to 1800M at the rate of 9.6kbps
Protection: 600W sugre protection, 15KV static electricity protection
Connector: USB side type A interface female, RS-485/RS-422 side DB-9 male or 6 terminal block
Working temperature: -20 to 60 centigrade