I need some help maintaining USB cable which am using from Mac to DAC. The Mac I am using for multiple usages like business, general purpose and for computer audio. When I need Mac for other purpose just unplug the usb cable and carried out. But the USB cable will be lying on table without cap and other end of USB cable will be connected with dac. So, Pls advise if am using the cable this way will occur any issues /problem/error? How you all maintaining the USB cable?