USB 2.0 to RS485 / RS422 Converter Cable

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