... port supported (only ADAM-4561) Transmission speed up to 115.2 kbps Isolation protection 3000 VDC provided ... USB interface. To attach the ADAM-4561/4562 to a PC, you don’t need to open the chassis or ... USB port, so there are no power adapters to deal with. Thismakes the ADAM-4561/4562 especially ... , older card solutions. Youonly have to install the drivers, no need to set cards slots, IRQ addresses, ...