Lumel USB Male to RJ12 Female Interface Adapter

The Lumel converter is a device designed to transfer data between a computer and a device equipped with an RS-232 interface with TTL voltage levels. The converter provides standard transmission speeds up to 115.2 kb/s, where the speed depends on the length of the cables used.

Baud rate up to 115.2 kbps
Controlling the direction of data flow automatic
USB standard USB 2.0 full Speed
Galvanic isolation 2.2 kV
Supply voltage 5V DC from the USB port and 5V DC on the RS232 TTL side