If you don’t have enough serial port on your computer, or if all of the ports are in use, then you need Eltima Virtual Serial Ports Driver XP.
This program can open and create new serial ports on your computer, without the need for any hardware devices. It can free up and optimize your serial ports.
귀하 컴퓨터에 여분의 시리얼 포트를 만듭니다
