USB\VID_1782&PID_4D21 drivers

Hardware IDs

Ports (COM/LPT/Serial)

USB\VID_1782&PID_4D21&MI_02
USB\VID_1782&PID_4D21&MI_03
USB\VID_1782&PID_4D21&MI_04
USB\VID_1782&PID_4D21&MI_05