USB to RS-485 in Transparent Blue Case

USB Interface with CH340

USB (Type A connector) to rising-clamp terminal blocks. It is housed in a transparent blue casing.

The slim design allows the interface to fit in standard USB ports of portable and desktop machines.

All external connections are through the 5-position rising-clamp terminal block

Wiring Description:

• Pin 1: A - 485 signal terminal A
• Pin 2: B - 485 signal terminal B
• Pin 3: GND - 485 signal ground (optional - not needed)
• Pin 4: GND - external power supply ground (can be powered to other devices, can also be left open)
• Pin 5: VCC - external power supply 5V + (can be supplied to other devices, can also be left open)