Specifications :

PRODUCT TYPE	Industrial Grade USB to RS485 converter
HOST PORT	USB
DEVICE PORT	RS485
BAUDRATE	300bps ~ 3Mbps
USB	Operating voltage	5V
	Connector	USB-A
	Protection	200mA self-recovery fuse, ESD protection
	Transmission distance	About 5m
RS485	Connector	Screw terminal
	Pins	A+, B-, GND
	Direction control	Hardware automatic control
	Protection	600W lightningproof and surge-suppress, 15KV ESD protection (onboard 120R balancing resistor)
	Transmission distance	About 1.2km(low rate)
	Transmission mode	Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)
LED INDICATORS	PWR	Red power indicator, light up when there is USB connection and voltage is detected
	TXD	Red TX indicator, light up when the USB port sends data
	RXD	Red RX indicator, light up when the device ports send data back
OPERATING ENVIRONMENT	Temperature	-15℃ ~ 70℃
OPERATING ENVIRONMENT	Humidity	5%RH ~ 95%RH
OPERATING SYSTEM	Mac, Linux, Android, WinCE, Windows 10 / 8.1 / 8 / 7 / XP

Onboard Original Chips

Transmission Distance Up To 1.2km

The USB Signal Can Be Converted Into A Balanced Differential RS485 Signal And The Transmission Rate Is Stable. The Reliable Speed Is 300bps ~ 3Mbps,The Transmission Distance Is About 1.2km For RS485, And About 5 Meters For USB.