Product Overview
Connect the converter’s USB port to a USB port on
your computer or USB hub.
When the installation is complete the converter
will appear in Windows Device Manager as an
additional COM port.
Connect the converter’s USB port to a USB port on
your computer or USB hub.
Model 485USBTB-2W (-LS)
RS-485 2-Wire Device
Jumpers are internal
to the converter
To PC
USB
A (-)
B (+)
A (-)
B (+)
GND
Data A (-)
Data B (+)
GND
To PC
USB Type B
Female
Data A (-)
Data B (+)
Data A (-)
Data B (+)
GND
USB Type B
Female
(high retention)
RS-485
Terminal
Block
Install the driver.
When the installation is complete, the converter
will appear in Windows Device Manager as an
additional COM port.
Install the Drivers
1
Connect the Converter
2
Model 485USBTB-4W (-LS)
RS-485 4-Wire Device
To PC
USB
TDA (-)
TDB (+)
RDA (-)
RDB (+)
GND
RDA (-)
RDB (+)
TDA (-)
TDB (+)
GND
TDA (-)
TDB (+)
RDA (-)
RDB (+)
GND
USB Type B
Female
To PC
