Shows: Not all UPS units have shows (and you may not care if yours does), but they can be very useful. Older units and more recent low-end units never contain displays. As a result, you're restricted in acquiring suggestions with the unit both by using interaction around the USB/serial cable https://messiahjmlkh.targetblogs.com/34382419/how-ups-can-t-turn-on-can-save-you-time-stress-and-money